Features: Made of food grade silicone material, it is safe, corrosion resistant, environmentally friendly and durable. Sealed and leakproof, stable performance , wide range of temperature resistance from-40 to 230 and easy to use. The internal anti-slip design has a strong adsorption force and is not easy to fall off. Good flexibility, not easy to deform, elastic silicone, good toughness, stretchable, and versatile. This product contains 6 sizes of covers, which are widely used in cups, bowls, basins and dishes of various sizes. It can be refrigerated and kept fresh in the refrigerator. It can be superimposed and can be used for high-temperature anti-virus. It can also be used in a microwave oven. Specification:Condition: 100% Brand NewItem Type:Food Keep CoverMaterial: SiliconeColor: WhiteType 1: Diameter: Approx.6.5cm / 2.6inType 2: Diameter: Approx.9.5cm / 3.7inType 3: Diameter: Approx.11.5cm / 4.5inType 4: Diameter: Approx.14.5cm / 5.7inType 5: Diameter: Approx.16.5cm / 6.5inType 6: Diameter: Approx.20.5cm / 8.1inWeight: Approx.105g/3.7ozPackage List: 6 xFood Keep Cover Note:1. Because there was a manual measuring ,the size may has 1-2inch difference. 2. The color may be slight different due to the condition or light or different monitor. 3.Want to keep food freshness, must first prevent leakage to see the sealing effect, you can fill it with water then invert, see whether there will be water leakage