LidLover 5386 Harold Import Co Universal Bowl Lid, 5-7-inch and 6-8-inch, Green Lidlover'S universal lids create an airtight seal on multiple-sized bowls and plates ranging from 5 to 8 inches; set of 2 LidLovers Each lid has a unique triple-ring feature inside to fit and seal bowls and plates of various sizes Place lid over bowl and press the center to seal and keep contents fresh; also works as a trivet in the microwave Works upside down and right side up to seal porcelain, ceramic, stainless, glass, or plastic bowls and plates Fda-Approved silicone is safe for use in the freezer, oven, and microwave; nonstick for easy cleanup; top-rack dishwasher safe