Food grade silicone, BPA free. Keep food fresh longer. Excellent hermetic. They perfectly help to keep fresh food odor free in your refrigerator and fresh longer. Can lids are flexible and gentle on your hands. Easy to put on and take off. Features a convenient lifting tab. Easy to clean, dishwasher safe, can also be quickly rinsed or wiped down after each use. Holds small, medium and large pet food canisters. Lids can fit all dog and cat food canisters. The lids also fit many food canisters such as soups and vegetables. Each pet food lid has 3 different diameters: 6.3cm, 7.4cm and 8.4cm. A silicone lid fits universal food boxes of different sizes for dog, cat and other pets. Choose our silicone lid, made of silicone material, non-toxic and safe. Set of 4, yellow, orange, red, green Note: 1. Due to the different monitor and light effect, the actual color of the item may be slightly different from the color showed on the pictures. Thank you very much 2. Please allow 1-3cm error due to