Silicone bakeware 1) Food grade silicone material, FDA  approved. 2) Non-stick 3) Will not stain or discolor 4) Will not retain colors or flavors 5) Cools quickly 6) Can be folded for storage 7) Freezer proof to -76F; Heat resisitant to 450F 8) Dishwasher safe 9) Microwave oven safe We are a professional manufacturer in the filed of silicone kitchen products, such as silicone cake mold, baking pan, and other promotioal purpose silicone daily use products.