Eppendorf Plates® Lid. Storage Film and Foil glued seals for simple and dependable sealing during sample storage. Heat Sealing Film and Foil for continuous locking with the best evaporation protection. The foil products are made of aluminum. They can be pierced and protect light-sensitive samples. In addition, the film products are transparent and provide protection against unwanted punctures. Eppendorf Plate Lid provide stable, flexible protection of samples during short-term storage. They are suitable for microtiter as well as deep well plates.