Features: 1. Food-grade silicone material, soft and elastic, can be pulled at will, directly put on food or containers to prevent the loss of water seal, it is a good helper for storing real objects. 2. It has a good preservation effect, and the inner anti-slip ring design can prevent the cover from sliding, and there is no need to worry about splashing in the microwave. 3. Excellent adsorption performance, no water leakage after the cover is closed, the food with the fresh-keeping cover is put into the refrigerator to prevent odor. 4.1 sets of 6 sizes to choose from, can also be reused, economical and environmentally friendly, parameter; Material: Food grade silicone Color: White, blue, pink, yellow, green Diameter: 6.5cm, 9.5cm, 11.5cm, 14.5cm, 16.5cm, 20.5cm Product List: 6*Freshness Cover