{"id":9170,"date":"2026-09-01T20:48:20","date_gmt":"2026-09-01T15:18:20","guid":{"rendered":"https:\/\/onlykutts.com\/?p=9170"},"modified":"2026-09-01T20:48:21","modified_gmt":"2026-09-01T15:18:21","slug":"packaging-and-portion-sizes","status":"publish","type":"post","link":"https:\/\/onlykutts.com\/index.php\/2026\/09\/01\/packaging-and-portion-sizes\/","title":{"rendered":"When Size Sells: How Packaging And Portion Sizes Change What We Buy And Consume"},"content":{"rendered":"\n
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Packaging is not just a container. It can change how much we buy, how much we consume, and what we believe we are getting for our money.<\/em><\/p>\n\n\n\n

We often think of packaging as a container. It holds the product, protects it, displays the brand and tells us what is inside. But packaging does something much more powerful. It changes our perception of value, quantity and even how much we eventually consume. A larger pack can make us feel we are getting a better deal, even when the difference in unit economics isn’t particularly significant. A smaller pack can make an expensive product suddenly feel affordable because it reduces the immediate financial commitment. A taller bottle can appear to contain considerably more than a shorter, wider bottle with a similar volume because we instinctively use visual cues rather than mathematical calculations when judging size. And a \u20b910 pack can make a product accessible to someone who would never consider spending \u20b9100 on the same product in one go.<\/p>\n\n\n\n

In other words, packaging does not merely communicate the product. It influences the consumer’s mental calculation of the product. It affects what we notice, what we consider affordable, what we perceive as good value and, in the case of food and beverages, even what we consider a normal amount to consume. <\/p>\n\n\n\n

This is one of the fascinating implications of research by INSEAD marketing professor Pierre Chandon and researcher Nailya Ordabayeva. Their work examined how consumers perceive changes in package and portion sizes and found that people are surprisingly poor at judging changes in three-dimensional volume.<\/p>\n\n\n\n

The Package Is Part Of The Marketing<\/h2>\n\n\n\n
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Consumers do not always perceive physical volume mathematically. They perceive it visually.<\/em><\/p>\n\n\n\n

The Consumer Does Not Buy Grams. The Consumer Buys A Perception Of Value<\/h2>\n\n\n\n

Imagine two packs of the same product. One is visibly taller. The other is slightly wider, slightly deeper and slightly shorter. They may contain exactly the same amount, but consumers may not perceive them as equivalent. <\/p>\n\n\n\n

Our brains are not particularly good at calculating volume, especially when three dimensions change simultaneously. Instead, we make quick visual judgements based on cues such as height, width, shape and apparent fullness. This means that the physical quantity of a product and the perceived quantity of a product can sometimes be two different things in the consumer’s mind.<\/p>\n\n\n\n

That creates an important opportunity for marketers. If a package becomes larger in one obvious dimension, consumers are more likely to notice the increase and interpret it as a meaningful increase in quantity. If the same increase is distributed across height, width and depth, the change can be harder to perceive. The same principle works in reverse. If a company needs to reduce the physical quantity of a product, changes distributed across several dimensions may be less perceptually obvious than a dramatic reduction in just one dimension. This is where packaging moves from being a design discipline to becoming a behavioural science tool.<\/p>\n\n\n\n

India Discovered The Power Of “Small” Long Before Shrinkflation Became A Buzzword<\/h2>\n\n\n\n
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India offers one of the world’s most interesting laboratories for understanding the relationship between package size, price and consumption. The Indian FMCG industry didn’t simply discover small packs in response to inflation. It built entire markets around them. The \u20b91 shampoo sachet is perhaps the classic example. Brands such as Chik demonstrated that consumers who could not, or did not want to, spend a large amount on a bottle of shampoo could still buy the product in a tiny sachet. <\/p>\n\n\n\n

Sachetisation dramatically reduced the entry barrier and helped packaged consumer products penetrate markets where larger packs were difficult to afford. The sachet subsequently became one of the defining innovations of Indian FMCG marketing. The continuing availability of Chik sachets at the \u20b91 price point illustrates just how deeply this format became embedded in India’s consumer economy.<\/p>\n\n\n\n

The genius was not merely reducing the quantity. It was reducing the psychological size of the purchase. A consumer did not have to decide, “Can I afford this bottle?” The decision became: “Can I spend \u20b91?” That is a completely different consumer question. <\/p>\n\n\n\n

The first question requires a relatively large financial commitment and perhaps a conscious comparison with competing household expenses. The second is almost an impulse decision. The risk is tiny, the commitment is tiny, and the consumer gets immediate access to the brand. The same principle subsequently appeared across categories: biscuits, detergents, toothpaste, shampoo, snacks, beverages and even premium products. India’s sachet economy therefore offers an extraordinary lesson in how changing a product’s physical and financial size can change the size of the market itself.<\/p>\n\n\n\n

From Bottle To Sachet<\/h3>\n\n\n\n
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The sachet didn’t just reduce quantity. It reduced the barrier to entry.<\/em><\/p>\n\n\n\n

The \u20b95 And \u20b910 Economy <\/h2>\n\n\n\n
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Walk into almost any Indian kirana store, and you will see a remarkable architectural feature of Indian consumption: shelves filled with multiple price points. \u20b95. \u20b910. \u20b920. The number printed on the pack can sometimes matter almost as much as the brand itself. Indian FMCG companies have historically used these low-unit packs to make products accessible, encourage trial and prevent consumers from moving to cheaper alternatives. <\/p>\n\n\n\n

The visual merchandising of Indian kirana stores makes this particularly obvious. Small packs are often hung prominently around the counter, making them highly visible while also making their low price immediately apparent.<\/p>\n\n\n\n

Maggi is a good illustration. The consumer may understand that a larger pack offers better value per gram. But the smaller pack solves a different problem. It reduces the amount of money that needs to be committed at that particular moment. That distinction is critical. <\/p>\n\n\n\n

Consumers do not always optimise for unit economics. They often optimise for cash-flow economics. A \u20b9100 pack may be cheaper per gram, but a \u20b910 pack may be easier to buy today. This is particularly important in markets where households manage expenditure in small, frequent increments. The consumer is not necessarily asking, “What gives me the lowest cost per gram?” The consumer may instead be asking, “How much can I spend right now without affecting everything else I need to buy?”<\/p>\n\n\n\n

This price-point architecture has also evolved with the changing retail environment. FMCG companies increasingly differentiate pack sizes based on where the product is sold. Smaller packs continue to play an important role in kirana and general trade, while larger packs are increasingly being designed for modern retail and quick-commerce environments. Parle Products, for example, has introduced channel-specific pack sizes, with smaller packs intended for kirana stores and larger packs for quick-commerce and modern retail. <\/p>\n\n\n\n

The Strange Economies Of The Small Pack<\/h2>\n\n\n\n

Here is where packaging becomes particularly interesting. A small pack is not necessarily cheaper for the consumer. In many cases, the price per gram or millilitre can actually be higher. Yet the small pack can still win because consumers are paying for affordability of entry, not necessarily maximum value per unit. The small pack effectively separates the decision to buy from the decision to maximise value. The consumer is buying accessibility, convenience, lower risk and immediate affordability.<\/p>\n\n\n\n

Consider a consumer who wants to try a premium product. A \u20b9150 pack may represent too much commitment. A \u20b915 or \u20b920 trial pack changes the decision completely. The strategy effectively says: “You may not be ready to buy the big pack. But you might be willing to buy the experience.” Once the consumer has entered the franchise, the brand has an opportunity to move that person upward. The consumer may subsequently become comfortable with the product, develop familiarity with the brand and eventually graduate to larger packs. In that sense, a small pack is not necessarily the destination. It can be the acquisition strategy.<\/p>\n\n\n\n

The Consumer’s Price Ladder<\/h3>\n\n\n\n
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\u20b95 \u2192 \u20b910 \u2192 \u20b920 \u2192 \u20b950 \u2192 \u20b9100<\/strong><\/p>\n\n\n\n

Trial \u2192 Access \u2192 Regular \u2192 Value \u2192 Bulk<\/em><\/p>\n\n\n\n

Indian FMCG brands do not simply sell different quantities. They create a ladder of financial commitment. Each step gives the consumer another way of participating in the brand without forcing them to make the largest possible purchase immediately.<\/p>\n\n\n\n

Packaging Can Create Consumption, Not Just Facilitate It<\/h2>\n\n\n\n
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There is another side to the story. Packaging doesn’t merely influence whether we purchase something. It can influence how much we consume. This becomes particularly relevant for food. When presented with a large packet of snacks, we tend to think about the packet as a single consumption unit. The visual size of the package becomes a reference point for what constitutes “normal” consumption. A bigger packet can therefore make a larger quantity feel ordinary.<\/p>\n\n\n\n

This is one reason portion size matters enormously in categories such as snacks, soft drinks and ready-to-eat foods. Consumers can underestimate how much they are consuming because they struggle to judge changes in volume accurately. The implication is uncomfortable but important: the package can quietly redefine what we consider one serving. A handful of chips can become half a packet. A glass can become a bottle. A “family pack” can become an evening snack. The consumer may never consciously decide to eat more. The package has simply established a different consumption norm.<\/p>\n\n\n\n

The lesson for marketers is profound. A package is not merely sitting around the product while consumption happens. It can become part of the consumption occasion itself. The size of the pack, the number of servings suggested, the ease with which it can be opened and resealed, and whether the consumer has to physically portion the product out can all influence behaviour. In other words, the package can become an invisible participant in the consumption decision.<\/p>\n\n\n\n

The “Health Halo” Creates Another Trap<\/h2>\n\n\n\n
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There is an even more interesting behavioural effect. When consumers believe that a food is healthier, they can compensate by consuming more of it. A product described as low-fat, light or healthier may create what researchers call a “health halo”. The consumer mentally discounts some of the calories and may feel more comfortable adding something else to the meal. The result can be paradoxical. The consumer thinks: “I am eating healthy.”<\/em> But the overall meal may actually contain more calories.<\/p>\n\n\n\n

This has major implications for food marketers. A healthier formulation does not automatically create healthier behaviour. The architecture of the consumption occasion matters too. If the consumer believes that one element of the meal has already made the decision virtuous, that perception can influence subsequent choices. The lesson is that marketers need to think beyond the product claim and consider the complete consumption context. The question should not simply be, “Is this product healthier?” It should also be, “What does the consumer do because they believe it is healthier?”<\/p>\n\n\n\n

India’s Shrinkflation Story<\/h2>\n\n\n\n
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Now turn the argument around. What happens when the brand does not want to increase the price but its costs are rising? The package gets smaller. India has seen numerous examples of this phenomenon. Reports have documented reductions in the grammage of products ranging from biscuits and detergents to soaps and beverages. Parle-G, for example, is a prominent example of how familiar low price points can be preserved while pack quantities decline.<\/p>\n\n\n\n

This is commonly described as shrinkflation.<\/em> From a marketer’s perspective, it solves a difficult problem. If the price increases significantly, the consumer notices immediately. Reduce the quantity modestly and preserve the familiar \u20b95 or \u20b910 price point, and the psychological disruption may be smaller. The consumer still sees the familiar number. The brand retains the price-point architecture. The manufacturer gets some protection against rising input costs.<\/p>\n\n\n\n

But there is a catch. Consumers are not permanently oblivious. Eventually, they compare packs, notice the quantity difference and begin questioning whether they are receiving the same value. That is why shrinkflation is not simply a packaging decision. It is a trust decision. When consumers discover that the familiar price now buys less, the issue can move beyond arithmetic and become a question of whether the brand is being transparent.<\/p>\n\n\n\n

The phenomenon remains highly relevant in India. In 2026, Nestl\u00e9 India’s Maggi packs were reported to have undergone grammage reductions across several sizes while MRPs remained unchanged, illustrating how the familiar price point can be preserved even when the physical quantity changes. The business rationale may be understandable in an inflationary environment, but the consumer interpretation is equally important.<\/p>\n\n\n\n

Shrinkflation<\/h3>\n\n\n\n
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When the price remains familiar but the quantity changes, consumers may experience a hidden price increase.<\/em><\/p>\n\n\n\n

The Indian Consumer Has Become Exceptionally Sensitive To Pack Architecture<\/h2>\n\n\n\n

Indian marketers have another challenge that their counterparts in many developed markets may not face to the same degree: the enormous importance of the unit price. \u20b95, \u20b910 and \u20b920 have become powerful psychological anchors. Current Indian FMCG strategies increasingly reflect the importance of small, affordable formats, particularly when consumers are under pressure to manage household expenditure. Small packs remain an important way for brands to maintain accessibility while responding to changing purchasing behaviour. <\/p>\n\n\n\n

This means that marketers are not simply deciding between “small” and “large”. They are designing a ladder of consumption.<\/em> \u20b910 gets you into the brand. \u20b920 gets you a little more. \u20b950 gives you convenience. \u20b9100 or \u20b9200 gives you better unit economics. The consumer can enter at almost any point. This is brilliant brand architecture because it reduces the risk of saying “no” to the brand. Instead of presenting one large financial decision, the marketer creates a series of smaller decisions, each of which can lead to the next.<\/p>\n\n\n\n

This also has an important channel implication. The pack that works in a neighbourhood kirana may not necessarily be the pack that works on a quick-commerce platform. On a physical shelf, small packs can provide high visibility and allow a consumer to make a low-value impulse purchase. Online, consumers can compare prices, quantities, and brands much more easily, while the economics of delivery and basket size can favour larger formats. Packaging strategy, therefore, is increasingly becoming a function not just of consumer income and consumption behaviour, but also of where the purchase takes place<\/em>.<\/p>\n\n\n\n

Small Packs Can Democratise Premiumisation<\/h2>\n\n\n\n
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There is another reason this matters. For years, premiumisation was associated with consumers trading up to larger, more expensive products. The new reality is more nuanced. Sometimes premiumisation starts with a smaller pack. A consumer may not buy a \u20b9200 premium toothpaste, but an \u20b980 pack can make the brand accessible. A consumer may not buy an expensive cheese product, but a smaller trial format can encourage them to try it. A consumer may hesitate to buy a premium skincare product, but a small trial format can reduce perceived risk.<\/p>\n\n\n\n

The consumer gets access to the brand without making a large financial commitment. This is especially powerful in emerging markets because it allows brands to expand aspiration without requiring consumers to immediately change their spending behaviour. In many cases, the small pack is not an admission that the consumer cannot afford the premium brand. It is a mechanism that allows the consumer to participate in premiumisation at a level that feels comfortable. Premiumisation, therefore, can begin with access rather than abundance.<\/p>\n\n\n\n

A small pack can therefore perform several strategic functions simultaneously. It can lower the entry barrier, reduce perceived risk, encourage trial, build brand familiarity, and create a pathway to larger purchases. That makes pack architecture particularly important for brands trying to recruit consumers into a category or move consumers from the mass market towards premium offerings.<\/p>\n\n\n\n

Premium Does Not Have To Mean Bigger <\/h3>\n\n\n\n

Premiumisation can begin with access, not abundance.<\/em><\/p>\n\n\n\n

But Smaller Is Not Always Better<\/h2>\n\n\n\n

Marketers are tempted to treat small packs as a universal solution. They are not. Small packs can increase accessibility, but they can also increase packaging waste, distribution complexity and cost per unit. Retailers and distributors have to manage more SKUs, more inventory positions and more replenishment requirements. The proliferation of pack sizes can therefore create operational complexity even when it creates consumer convenience.<\/p>\n\n\n\n

There is also the question of consumer value. If a smaller pack becomes disproportionately expensive, consumers eventually recognise the trade-off. And if the quantity reduction is perceived as deceptive, the brand can lose something much harder to rebuild than margin: trust<\/em>. <\/p>\n\n\n\n

The environmental question is particularly important in India because the sachet revolution created enormous convenience and market access, but also created challenges around the disposal and recovery of multilayer packaging. The commercial success of the sachet therefore comes with a sustainability question that marketers can no longer ignore.<\/p>\n\n\n\n

The challenge for the next generation of Indian packaging strategy is therefore to reconcile three objectives that have historically been treated separately: affordability, profitability and sustainability<\/em>. The small pack may be excellent for market penetration, but the environmental cost of millions of small flexible packs cannot simply be ignored. Similarly, a large pack may be more efficient from a packaging perspective but may be financially inaccessible to a significant section of consumers. The winning solution will increasingly be the one that balances consumer accessibility with responsible packaging economics.<\/p>\n\n\n\n

So What Should Marketers Learn From All This?<\/h2>\n\n\n\n
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  • The first lesson is that packaging is behavioural design. It influences what people notice, what they believe they are getting, how much they buy and potentially how much they consume. The pack is therefore not merely the final physical expression of a brand strategy. It is part of the strategy itself. Its dimensions, shape, material, visual cues, quantity and price point can all influence the consumer decision.<\/li>\n<\/ul>\n\n\n\n
      \n
    • The second lesson is that price and quantity cannot be considered independently. A \u20b910 pack is not simply a smaller \u20b9100 pack. It represents a different consumption decision and, often, a different consumer mindset. The \u20b910 pack can mean trial, affordability, low risk or immediate convenience. The \u20b9100 pack can mean value, stock-up or household efficiency. The physical product may be identical, but the psychological proposition is different.<\/li>\n<\/ul>\n\n\n\n
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      • The third lesson is that perceived value can be more powerful than mathematical value. Consumers may know that a larger pack is cheaper per gram and still choose the smaller pack because the upfront expenditure is lower. This is particularly important for marketers in markets where consumers manage spending across many small, competing needs. The consumer is not always trying to maximise value over a month or year. Sometimes the consumer is simply trying to make the best decision with the money available today.<\/li>\n<\/ul>\n\n\n\n
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        • The fourth lesson is that portion design can influence healthier consumption. If marketers want consumers to consume less, simply telling them to exercise self-control may not be enough. Smaller, clearly defined portions can change the physical environment in which that decision is made. Research into package and portion size has shown why this matters: people do not always accurately perceive changes in three-dimensional volume, so physical changes in size can produce surprisingly different psychological responses.<\/li>\n<\/ul>\n\n\n\n

          And finally, there is perhaps the most important lesson:<\/p>\n\n\n\n

          The Package Is Part Of The Product Experience<\/h1>\n\n\n\n
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          Marketers sometimes obsess over advertising, positioning, celebrity endorsements and social media while treating the physical pack as an executional detail. That is a mistake. The pack sits in the consumer’s hand at the exact moment of purchase. It occupies the shelf. It establishes expectations. It communicates quantity. It signals affordability. It can encourage trial. It can encourage consumption. It can create perceptions of premium quality. It can make a product appear more or less valuable. It can even influence whether the consumer feels that a particular amount is sufficient.<\/p>\n\n\n\n

          And sometimes, without the consumer consciously realising it, it changes the answer to a deceptively simple question:<\/p>\n\n\n\n

          “How much is enough?”<\/em><\/p>\n\n\n\n

          In India, where the humble \u20b91 sachet and \u20b95 pack have transformed the economics of mass consumption, the lesson is particularly powerful. The genius of Indian FMCG marketing has often been its understanding that affordability is not simply about reducing prices. Sometimes it is about reducing the size of the commitment. Sometimes it is about putting the product within reach. Sometimes it is about creating an entry point. And sometimes it is about making the consumer feel that the amount being purchased is exactly right for the moment.<\/p>\n\n\n\n

          The most interesting part is that the same principle works at the other end of the market. A premium brand can use a small format to reduce risk. A mass brand can use a larger format to communicate value. A food brand can use portion architecture to influence consumption. A retailer can use pack sizes to manage different shopper missions. A manufacturer can use grammage changes to manage cost pressures. A digital platform can use exclusive pack sizes to create channel differentiation.<\/p>\n\n\n\n

          In every case, size is doing strategic work.<\/p>\n\n\n\n

          Size is not just a measurement. It is a marketing message.<\/p>\n\n\n\n

          And sometimes, changing the size of the message can change consumer behaviour.<\/p>\n","protected":false},"excerpt":{"rendered":"

          Packaging and portion sizes influence consumer behaviour, pricing and consumption, with fascinating examples from Indian FMCG brands.<\/p>\n","protected":false},"author":1,"featured_media":9171,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[144,53,2068,2538,2465,2342,386,134,2540,2539],"class_list":["post-9170","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-marketing","tag-brand-strategy","tag-consumer-behaviour","tag-consumer-psychology","tag-fmcg","tag-indian-marketing","tag-marketing-strategy","tag-packaging","tag-pricing","tag-sachet-marketing","tag-shrinkflation"],"yoast_head":"\nPackaging and Portion Sizes: How They Influence Consumer Behaviour<\/title>\n<meta name=\"description\" content=\"Packaging and portion sizes influence consumer behaviour, pricing and consumption, with fascinating examples from Indian FMCG brands.\" 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