Food Grade SiliconeFood Grade Silicone Lid Are 100% Silicone, Bpa Free, Soft Texture, Durable And Leak Proof, Maintain Temperature From -30 To 230, Which Can Be Used In Refrigerator, Microwave And Dishwasher. Dishes, No Worries About The Silicone Lids Being Damaged. Multiple SizeProvide Five Sizes Of Elastic Silicone Lids: 12"/30Cm, 10"/25Cm, 8"/20Cm, 6"/15Cm, 4"/10Cm. Sizes Fit Most Food Containers Such As Cups, Plates, Pans, Bowls. They Are Also Ideal For Mason Jars, Mixing Bowls And More. How It Works- As Vacuum Lids Work Either You Press Gently In The Middle And The Lid Seals Tight, Creates A Tight And Airtight Seal.You Can Then Use Them To Store Leftovers, Foods, Salads, Vegetables, Pasta, Soups, Ingredients, Etc. Reusable And AffordableGreat Replacement P Our Plastic Plastic Wrap That Always Leaves A Sticky Residue On The Edges Of Our Bowls; The Silicone Lid Can Be Reused After Cleaning, Reducing Costs And The Generation Of Household Plastic Waste. Multifunctional ApplicationSilicone Lids Are Suitable For Pots, Pans, Plates, Bowls, Coffee Glasses, Cans And More And Are Also Ideal For Cooking And Baking. It Also Works Great On Ovens, Refrigerators, Stoves And Freezers. It Is Safe And Extremely Convenient In The Microwave, Prevents Splattering.