Packaging | Promotional Products | Books, Catalogues & Promotional Material | Corporate Stationery | Graphic/Web Design & Pre-Press Heat Seal Backing Card << go back Secure and highly visible packaging. Offers automatic application of a clear moulded blister onto a backing card coated with heat-activated adhesive (also known as “blister cards”). Suitable where several items are packaged together or simply for a single product. The most economical style of blister packaging especially for large volume manufacturing.   Blister has flanges which seal onto heat-seal coating on the face of the card Requires use of a heat-sealing machine Tamper proof The blisters are usually cheaper than Slide-on and Clam Shell blisters