ORIGINAL PATENTED FOOD SAFE SILICONE STRETCH COVERS ORIGINAL PATENTED Food Safe Silicone Covers: 8 sizes! (3,4,5,6,7,8,9, 11 inches) Stretch to fit ANY shape container or bakeware Oven (+428 F), Microwave, Freezer (-40F), Refrigerator and Dishwasher safe Features air-tight, water-tight seal on almost everything! Can be used directly on food. So STRONG you can stack on top of saving you space! Washable and Re-Usable. Saves Money. Get a Free Food Safe Silicone Steamer Basket with every set purchased. Limited time offer!