Food Grade Silicone Material: Ice Cube Tray,Penguin Ice Cube Made of Food Grade Silicone Material, The Heat Resistance: Minus-40Degrees To +230Degrees,Very Suitable for Family Use,Bars,Hotels,Restaurants,Etc. Give You A Cool Juice: Add Water To The Mold, Make Your Own Ice Cubes,Put It In Yogurt, Juice, Cocktails,Whiskey,Coffee,To Play The Role of Ice. Pop The Ice Cubes Easy and Easy To Clean: Soft,Durable,Non-Stick Silicone,Which Can Be Ejected With Just One Touch and Easy To Clean. It Can Be Safely Used In Refrigerators,Dishwashers and Microwave Ovens. If you have any questions about the product, please contact us, our professional customer service team will solve the problem for you as soon as possible.