Food grade silicone: The silicone lids have LFGB, FDA, and BPA-free safety certification, environmentally friendly, non-toxic, durable and leak-proof, 100% health and safety for babies and adults Multi-size for multi-function: 14 sizes in 20 pieces: 2 5cm, 6 5cm, 9 6cm, 11 5cm, 14 5cm, 16 5cm, 20 6cm, 24 9cm, The containers can cover different shapes and sizes including: Salad bowls, glass, glass, food, can, cans, cups, beer bottle, juice caps, pots, pans, watermelon, pineapple, melon or other fruits and vegetables Fresh food: These stretchable lids are a great way to keep food stored fresh It prevents weathering and can be used directly on the fruit It's paint-free, stress-free and easy to clean The lid as well as the edge of the container should be dry only before the attachment The silicone stretch lid is better than with plastic wrap Reusable & Easy to Clean: Made of quality silicone, soft texture, strength, with super wear resistance The use of the temperature range -40 ~ +230, suitable for dishwasher, refrigerator, microwave oven, electric oven can be used Practical to use: Airtight and without spills, no smells through the clear silicone case, you can easily see the vegetables or other food you are looking for