?Fit over Any Shaped Container ?They come in 6 elastic sizes, 2.6", 3.8", 4.4", 5.5",6.2" & 8.0". You will never need to waste time searching for lids again! Our stretchy silicone lids are compatible with mason Jars, cat or dog food cans, cups, pot and direct use on half a watermelon. Airtight sealing will lock the freshness of food and leak-proof design prevents any liquid from spilling out. ?Preservation of the ?:Airtight Seal keeps food fresh longer and Prevents Spills. INDEPENDENTLY LAB TESTED FOR SAFETY: 100% Phthalate, Lead, Plastic and BPA free. ?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! ?100% Money Back Guarantee? We are very confident in our products, we provide them with a 100% MONEY-BACK guarantee. If you are not satisfied with the product, We are happy to accept the return and refund your money without any doubt.