The Best Use of Microwave Ovens and Refrigerators Silicone Lids Withstands Temperatures from -40 Degrees F to 500 Degrees F. Use in Microwave Ovens Can Prevent Food Splashing and Boiling. Eliminate Microwave Splatter Cleanup. Use in the Refrigerator to Help Keep Food Fresh. No More Struggling with Plastic Wrap Multi-Size Universal Cover Contains 7 Pieces Silicone Suction Lids in 5 Different Sizes. Silicone Lid fits Most of Your Pots, Pans, Bowls, Plates, Cups, Jars, and Other Containers Made of Stainless Steel, Metal, Ceramic, Glass, and Plastic. Easy to Clean The Microwave Splatter Cover is Easy to Clean. After Use, You Only Need to Wipe it With a Mild Detergent or Use a Dishwasher to Quickly Clean It. Easy to Store Our Silicone Bowl Lids Have a Unique Hanging Buckle Design, Which Allows for Quick Access When Needed and Efficient Storage After Use, Helping Keep Your Kitchen Tidy. Easy and Convenient to Use Simply Place Lid on Pots, Pans, Bowls, Plates, Cups, Jars, and Other Containers and Gently Press for an Airtight, Leak-Proof Suction Seal. Gently Lift Edge or Slide Off to Release Seal.