Premium Food Grade Silicone & Perfect Size - 100% made of Bpa-free food grade silicone, non-slip and flexible enough to pick up a hot dish, size 9x12x0.22 inches, weight: 0.6 LB per set ( thicker and lighter than the competition). Multifunctional silicone mold - can be used as a casserole mat, trivet, corkscrew, spoon holder, peeler, drying mat or anywhere you need need extra grip or finish to protect against heat and cold. Lightweight and heat resistant - new unique version of disperses heat to better protect your hands Safe to use for all occasions - withstands extreme temperatures from -40 to +450 degrees F (approx -40 to +450 degrees C), ideal for microwave ovens or freezers Easy to store and durable - can be rolled up and stored, one hand is enough