Value Pack: : 12 Silicone Cling Caps Are Available In 6 Sizes, Including 6.5 Cm, 9.5 Cm, 10.5 Cm, 14.5 Cm, 16.5 Cm and 20.5 Cm. The Sufficient Amount and Size Can Satisfy Your Daily Life. Freshness Requirement. Cold and Heat Resistant: : The Fresh Food Cover Can Be Stored In An Environment of -40-230 Which Is Suitable for Refrigerators, Microwave Ovens and Dish Washers. The Silicone Material Is Easy to Clean and Can Allow The Next Food Preservation Service After Drying. Strong Compatibility: : The Keep-Fresh Lid Has Excellent Elasticity and Stretching Power and Can Be Compatible with Many Shapes of Containers Such As Bowls, Jars, Cans, Etc. At The Same Time, Fruits and Vegetables Can Also Be Kept Delicious with A Fresh Lid. Excellent Airtightness: : The Silicone Freshness Cap Has Excellent Airtightness and Strong Adsorption Capacity, Which Can Ensure That The Food Is In A Sealed State, Which Keeps It Fresh, Prevents Leakage and Does Not Mix The Taste Anytime, Eat Fresh and Delicious Food . Safety Material: : Our Fresh Food Container Is Made of Safe and Environmentally Friendly Silicone Material In Food Quality, without Any Special Smell, without Harming The Human Body, Soft and Durable.