Description: Food Grade Silicone Cup Cover: This silicone straw cover is made of BPA free, high quality silicone. No smell, durable, reusable, non-toxic. Simply wash it with your hands or throw it into the dishwasher. Perfect Size Temperature Range: Suitable for all types of straws(6mm-8mm).Can handle the extreme temperature from -40~480 F(-40~230 C).It perfectly matches your straw cup, , Stainless steel straws and so on. Chic cherry blossom/ Coffee cup/dog cat claw /strawberry/cloud shape. Perfect for decorating your straw cup. Anti-dust, Airtight Seal and splash proof, especially for out door activity.Specifications:Material: siliconeApplication: 6mm/0.24-0.25in straw Packing List: 16 Pieces straws caps