FOOD GRADE SILICONE 100% silicone environmental protection materials,BPA free, FDA safety certification, Non-toxic,durable, soft texture,sustain the temperature form -30 up to 230?, no worries for the silicone stretch lids be damaged. Even use in oven and refrigerators with super wear resistance. MULTI SIZE & CYCLE USE In order to meet the requirement of different customer, the silicone stretch lid include various sizes, which are compatible with for Bowl, Can, Jar, Glassware, Food Saver Covers Safe in Dishwasher, Microwave and Freezer. Totally 6 pieces per set: 2.55", 3.74", 4.52", 5.70", 6.49", and 8.07". HANDY TAPS ARROUND THE LID When the silicone lids hold on the cup or bowls tightly, the handy taps makes them easy to remove from container and keep food fresher in fridge without leak. The silicone lid also helps you to open the case of bottle which is tightly hold on .Conform to any shaped bowl whether round, square, rectangular, hexagon, etc. KEEP FOOD FRESH Perfect fresh food cover for barbecue outdoors or travel with your friends, and the fresh food cover doesn't spill food and water in your car. Silicone stretch lid replaces plastic bag, reused after cleaning, save cost, safer, environmental protection, as we all know, great silicone cover brings you and your family health. Specification: Material: 100% food grade silicone. Diameter: 2.55" (will stretch to 3.5") , 3.74" (will stretch to 5") , 4.52" (will stretch to 6"), 5.7"(will stretch to 8"), 6.49" (will stretch to 9") , 8.07" (will stretch to 11") Quantity: 6 different sizes x 3 units each; total: 18 pcs Color: Transparent