Food-Grade Silicone: 100% Silica Gel Ensures Complete Food Safety, So It Can Be Used For Bottlenecks And Other Purposes. Does Not Absorb Or Emit Odor Or Taste. Thanks To Its Strength, Stability And Flexibility Available In A Variety Of Sizes: 6/12/18 Pieces In Packs, Available In 6 Different Sizes. Dimensions: 2.6", 3.7", 4.5", 5.7", 6.5" And 8.1". They Are Ideal For Storing Food, Serving Dishes, Unprepared Drinks Or Any Leftover Fruit. Function: The Elastic Silicone Cover Resists And Stretches To Different Pointed And Sized Containers, Whether Round, Square , Rectangular, Hexagonal, Etc. Recycling: Made Of High Quality Silicone, It Is Environmentally Friendly And Can Be Used Repeatedly. They Can Completely Replace Foil, Plastic Wraps. The Silicone Cap Is Resistant To High And Low Temperatures And Can Be Used In Refrigerators, Microwave Ovens And Electric Ovens At Temperatures Ranging From -40C To +240C. It Can Be Used To Cover And Reheat Food In An Oven Or Microwave To Prevent Spattering, As Well As To Store, Preserve Odors, Food In Refrigerators And Refrigerators. This Silicone Wrap Is Suitable For Different Materials Such As Metal, Glass, Ceramics And Has Better Suction Effect.