Silicone Stretch Lids Are Made Of Durable Silicone Which Provides The Strong Stretchable Fit To The Odd Shape And Size Container, Perfect For Rectangle, Round, Square Bowls, Dishes, Plates, Cans, Jars, And Glassware & Mugs. Features 1. The Silicone Storage Covers Come In 6 Sizes So There'S Always One That Fits. 2. Silicone Tops Are Round Yet Stretchy Enough To Fit Snugly Over Odd-Shaped Mugs, Pots, Bowls, And Containers. 3. Leak-Proof With An Air-Tight Seal So Foods Stay Fresh And Tasty. 4. Microwave-Safe & Heat-Resistant To 450 Fahrenheit So You Can Quickly Reheat & Enjoy Delicious Leftovers. 5. Environmentally-Friendly, And A Money Saver, Eliminating The Need To Repeatedly Buy An Expensive Plastic Wrap. 6. Easy To Clean And Dishwasher Safe. Specification: Material: Silicone Diameter: 2.6" (Will Stretch To 3.5"), 3.8" (Will Stretch To 5"), 4.5" (Will Stretch To 6"), 5.7"(Will Stretch To 8"), 6.5" (Will Stretch To 9"), 8.3" (Will Stretch To 10") Quantity: 6 Pcs Color: Blue Heat Resistance: -30„ƒ~230„ƒ Frost Resistant: -104°F/-40°C Have A Nice Day! If For Whatever Reason You Are Not Satisfied With Your Silicone Lid Covers Contact Us And We Will Resolve Any Issues You May Have. Keep It Fresh!