(R- PET SHEET ALSO AVAILABLE) Packaging Type - Roll Pattern - Plain Thickness - 0.15 to 1.5mm Material - PET Color - White Surface - Finish Glossy Blister packaging is a form of plastic packaging that is used for small consumer goods and pharmaceuticals. It is mostly made from thermoformed plastics. Blister packs have a backing of paperboard, aluminum foil, or even other plastic sheets.