Features: 1. Food grade silica gel raw material, soft texture, tear resistance, good hand feeling, strong wear resistance, natural harmless, non-toxic, tasteless and non-corrosive 2. Easy to clean and reusable 3. High temperature resistance, can be used in refrigerators, microwave ovens, electric ovens. 4. Due to the excellent elasticity of the silica gel, the internal negative pressure state is naturally formed when the container is covered, and the gas flow between the inside and the outside can be isolated, and the sealing property is strong. 5. It is used in the refrigerator to cover bowls, pots, pots, etc., which is not easy to odor and can achieve good preservation effect. Specifications: Condition: 100% brand new Material: Food silicone Size: Diameter 21cm/8.26inch 16.5cm/6.4inch 14.5cm/5.7inch 11.5cm/4.5inch 9.5cm/3.7inch 6.5cm/2.5inch Color: Blue Package included: 6x silicone stretch lids caps Notice: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is /- 1-3 cm. 11.Food grade silica gel raw material, soft texture, tear resistance, good hand feeling, strong wear resistance, natural harmless, non-toxic, tasteless and non-corrosive 22.Easy to clean and reusable 33.High temperature resistance, can be used in refrigerators, microwave ovens, electric ovens. 44.Due to the excellent elasticity of the silica gel, the internal negative pressure state is naturally formed when the container is covered, and the gas flow between the inside and the outside can be isolated, and the sealing property is strong. 55.It is used in the refrigerator to cover bowls, pots, pots, etc., which is not easy to odor and can achieve good preservation effect.