Dimensions: 11 diam. x 0.25H in. Crafted with silicone. Choose from available colors. Features six 10 in. openings. Microwave and dishwasher safe. Heat resistant up to 400 degrees. FDA-grade and BPA-free materials. Stay safer in the kitchen with the Design Imports Silicone Boil Over Spill Guard - Set of 2. These FDA-grade guards are BPA-free and heat-resistant up to 400 degrees. Each guard has six, 10-inch openings to allow steam release. Color: Red.