The silicone insulation pads are all made of food-grade silicone. They are recyclable, energy-efficient, and environmentally friendly. The high-quality silicone material ensures that they will not absorb odors, stain, rust, crack or break. The soft and flexible silicone insulation pads can be used as insulation pads to protect your kitchen countertop from being burned by hot dishes. This unique, practical and durable insulation pad is also suitable for kitchen mats, table mats, dish mats, dishwashing mats and water bottle cup mats.