All other kitchen tools beware because these 3-piece, Multi-function Silicone Lids can do it all! A sustainable alternative to plastic wrap or aluminum foil, the 3 various sized lids can seal on glass, metal, or plastic containers to keep food fresh longer. Take advantage of these convenient, 100% silicone mats as a hot pad, jar opener, hot pan holder, and more. This environmentally friendly product is microwave-proof, oven-safe, and dishwasher friendly. The set includes diamiter measurements of 6 inches, 8 inches, and 10.5 inches.