Come and see our amazing products. This baking mat is made of durable, flexible, food-grade silicone and fiberglass. It provides the ultimate convenient and healthy way to upgrade baking and roasting. These mats can be used about 2000 times in an oven up to 250 degrees, but the color of silicone baking mat will not change after many times of use. Turn any half-sheet pan into a non-stick surface, eliminating fattening oils, grease, messy sprays, and expensive parchment paper for clean, effortless food removal without waste, hassle, or extra calories. Designed for use in all types of ovens , these professional-grademats can be used with pans or sheets to improve overall heat distribution and air circulation, for even and consistent results, with no burned or undercooked spots. These non-stick mats that wipe clean quickly and Pls confirm with us about the packing info, stock color and exact production time before placing your order.