"Microperforated silicone mats with fiberglass core perfect for baking éclairs, cookies, cream puffs, petits-fours, bread and pizza. Thanks to the holes heat spreads evenly throughout mats’ surface guaranteeing a perfect baking both on the top and at the basis of the preparations. Microperforated silicone mats can be also used as supports when freezing; they are non-slip and non-stick.