Features: Non-Toxic: Made of food grade silicone material. With Flexible Silicone, not afraid of broken, durable and long life. Easy to use: Ice cube molds can be easily twisted or pushed from the bottom. For ice cubes easily released and no leaks. Easy to clean: with Non-stick silicone, also could be washed in the dishwasher. Large Ice Cube Trays: Could make 6 ice balls at the same time. Last longer and allows for slower melting. -40 Celsius-250 Celsius Proper Temper.: Resistance to high temperature and low temperature. Could be used in microwave ovens. Ideal use for cocktails, ice cake, mousse sprinkled jelly pudding, biscuits, etc. Size:18*13*4.8cmcm Single ice ball diameter 4.5cm Material: Silicone