Description Round Shape Paper Films Coffee Spill Proof Gasket Paper Films Features – Material: Paper. Package Including 500 x paper filmsPaper is flexible, the straw is easy to perforate, simple round shape, make you easy to use. This sealing paper is hot and cold resistant, perfect for hot and cold drinks. Suitable for all kinds of beverage packaging seal, beverage leakage. Pay attention to the size of the sealing paper suitable for the diameter of the cup. The diameter of the drinking cup should be 70- 95mm. Although the design is simple, practical to use, you will feel very convenient.