【SAFE AND DURABLE】:Extra thick silicone is durable and will not tear or warp; can be used over and over again and are dishwasher and freezer safe | 【Preservation of the 】Airtight Seal keeps food fresh longer and Prevents Spills. INDEPENDENTLY LAB TESTED FOR SAFETY | 【COMPATIBILITY】: One stretchy silicone lid is compatible with many container sizes and shapes | 【ECO-FRIENDLY AND ECONOMICAL】 The silicone stretch cover lids will reduce your plastic waste and help you save money, since you will no longer need to buy cellophane to cover your leftover food fresh. Plus, the bowl lid does a much better job at keeping your food fresh! | 【QUALITY SERVICE】We are so confident you will love our Silicone Stretch Lids,Meticulous worry-free strive to make customers satisfied, this is the premise and ultimate purpose of all our work. You can come to us anytime anywhere if you have any question, our team members are 24 hours at your service