1:Natural harmless, non-toxic, odorless, non-corrosive, environmentally friendly2:This product uses pure silica gel raw material, 100% food grade silica gel, and has been tested by FDA.3: The temperature resistance range of silicone products is -60C-250C. High and low temperature resistance, wear-resistant, environmentally friendly, non-toxic, dust-proof, durable, waterproof, easy to clean.4: If you have any questions, please feel free to contact us, we will provide you with high-quality after-sales service.5: This product uses 100% imported pure silica gel raw materials, 100% food-grade silica gel, tested by FDA, the temperature range of silica gel products is -60C-250C. High and low temperature resistance, wear-resistant, environmentally friendly, non-toxic, dust-proof, durable, waterproof, easy to clean.