AMAZON COMMERICAL SILICONE BAKING MATS 4PK (2-16.5”x11.5”) and (2-11.5”x8.5”). Durable design: food-grade silicone and reinforced fiberglass for reliable strength Versatile: can be used as a reusable baking mat or pastry mat; ideal for rolling out any type of dough and for making macarons, eclairs, and more Mesh steam holes: fine meshsteam holes (1-by-1 mm) help ensure even heating throughout and promote delicate, delicious results Nonstick and nonslip: nonstick surface offers effortless food release and cleans easily; mat remains securely in place while in use.