☛ Features: 1. - Made of non-toxic and environmental silicone material, practical and durable to use, easy to clean. 2. - The silicone lids made of 100% food silicone dishwasher and freezer safe and Microwave-safe & heat-resistant to 450 F come out the same as you first saw it. 3.- 6 sizes for you to choose, different size fits your different needs. 4. - The lids had enough elastic allowing you to have a secure cover for a variety of different containers. 5. - The lids had enough elastic allowing you to have a secure cover for a variety of different containers. 6. - Keep Refrigerator Tidy: Keep the refrigerator clean and odorless. ☛ Microwave Safe Reusable Food Silicone Lid can withstand a temperature range of -58 to 450F. They work safely in the dishwasher, microwave and refrigerator. NOTE: When heating foods with our Food Grade Lids in a microwave oven, DO NOT completely seal containers. ☛ Dishwasher safe Our silicone lids are simple to clean. Just hand wash or toss in the dishwasher with any detergent and they are ready to be reused. ☛ 6 sizes for you to choose, different size fits your different needs. - 2.64" (can stretches to 3.5") - 3.66" (can stretches to 5") - 4.33" (can stretches to 6") - 5.51" (can stretches to 8") - 6.3" (can stretches to 9") - 8.07" (can stretches to 11") ☛ How to use it ? -1. Place half of the lids over one edge of the container.（Start on the side closet to your body） -2. Stretch the other half of the lid away from you, inching your way around the bowl. -3. Stretch, then press the top of the lid while pulling the tabs to create a vacuum seal. -4. Pull the sides to ensure a perfect fit. ☛ Package Includes : 6 x Silicone Stretch Lids (Blue)