1) 100% food grade silicone, non-stick, flexible and easy to clean 2) Temperature range: -40 ~ 230 Centigrade 3) Dishwasher safe, easy to store 4) Revolutionary ice tray 5) Customer's design is welcomed 6) Stain resistant and hygienic 7) Will not retain odors or flavors 8) Cools quickly 9) Can be folded for storage