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Blister Packaging

Blister packaging consists of pre-formed plastic material in combination with either a paper or foil backing to hold smaller consumer goods, or for sterile medical goods. The formed plastic holds the product, often a pill, and the foil seals and protects it. They allow many items to be included and individually used with no loss of freshness to the other items.

The most common blister packaging is used for pharmaceutical caplets or pills. Using a blister pack, or blister strip as they are also called ensures that each pill remains fresh until use, and is not tampered with. Calendars can also be printed on the back of the pack, for drugs that require ingestion on certain days such as many birth control drugs.

Blister packaging is also used on many other consumer goods, such as toys, tools, and electrical items. Generally the backing for these is cardboard, and they are not sealed from the air, but are protected from theft or use. Products that contain multiple parts are often put into blister packs so pieces are not lost. The consumer can easily examine the product which is often able to hang on a peg as well as be easily opened.

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