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Closure best practices that keep possibilities open

Though often small in size relative to the bottle, pouch, or tube container it caps, closures can have the biggest impacts for consumer functionality, ease of use, and comfort.

The closures for Tropicana’s new PET bottles are an integral part of the consumer experience and the functionality of the package, and are coordinated between the four main size SKUs: 12-, 59-, 89-, and 118-oz.
The closures for Tropicana’s new PET bottles are an integral part of the consumer experience and the functionality of the package, and are coordinated between the four main size SKUs: 12-, 59-, 89-, and 118-oz.

That’s because the closure is often the primary point of interaction the consumer has with the product and package.

It’s a common mistake to think of a closure separate from the container, or downplay its importance. With that in mind, there are a number of trends that are driving best practices when selecting or designing the best closure for the job.

1. Think about daily use. A closure can make a profound impact on the end consumer—positive or negative—throughout the life cycle of the product. Planned properly, the right closure can enhance, rather than detract from, consumers’ experiences with the package, the product, and the brand, leading to repeat purchases. After the first moment of truth in store, there are many second moments of truth—at home. A well-designed closure can play a key role in those impressions that the consumer forms when using the package and product.

2. Consider custom closures. To stay a step ahead of private labels, some national brand owners are increasing their use of custom closures, with shaped closures or with the brand logo molded right into the top of the closure. During the recession, many packagers using custom closures switched back to generic closures. But as the economy picks up, closure manufacturers are predicting that brand owners will once again start looking at custom options.

3. Create functionality precisely. Consumers often base their initial perception of product quality in part on how well the closure and the package work together as a unit. Can the package be held and opened with just one hand? Is there an audible snap when the cap is reclosed? Closures that provide these advantages help build customer loyalty by providing greater user convenience and confidence that the package is securely closed.

4. Check the regulations. Safety and compliance labeling regulations in pharmaceutical and some food markets have caused some packagers to turn to the closure to carry inserts as a way of keeping the primary container label-free for the heavy lifting that branding requires. For closures that are printed, decorative techniques such as pad printing or heat foil transfer can also add information.

5. Lightweighting. Manufacturers have created commonly shaped closures that are 5% to 10% lighter than the previous versions. This lightweighting comes at the expense of pushing the boundaries of what’s possible from a functionality standpoint. The trend is a compromise between a few, sometimes opposing, factors. Consumers expect closures to keep the product fresh over the long term, prevent moisture penetration (especially for products like dry creamers and fiber supplements), help ensure product safety, and dispense the product easily and cleanly. These factors need to be considered when attempting any material reduction.

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