Set Of 3 Vented Microwave Splatter Covers / Shields / Screens - Vinyl Cooking Utensils Ideal for keeping your microwave clean. Handy splatter covers prevent build-up of grease and grime, save cleaning time. Simply place the vented covers over microwave dishes when heating and cooking. Each measures approximately 10" X 11 3/4" Diameter. These are thin and flexible and very easy to use.