Food Grade Material: The ice tray with cover is made of food grade silicone. Each tray makes 37 right-sized cubes, total 74.BPA free. Can withstand the temperature of -40~ 464, safe, durable and easy to clean. EASY RELEASE ICE: The ice tray silicone material shapes the bottom well, which makes it easy to release ice cubes.Reusable, non-stick surface. Each flat cube compartment is separate from others so you can easily push from the bottom AIRTIGHT LID DESIGN: The new airtight lid can easily cover the ice tray, preventing water from spilling and isolating odor of other foods in the refrigerator .ice trays can also be stacked to save refrigerator space. The matching ice cube holder makes the process of taking ice cubes more hygienic. ALL PURPOSE: These are perfect Ice cube maker for whisky and other drinks, ideal for cocktails, punch, iced coffee, flavored ice and more in summer.The ice tray lid will provide you a pleasant mood to make ice. You will enjoy the ice-making experience PRODUCT SIZE :The overall size of the mold is 8.1 x 4.9 x 0.9 inch, and the single cavity size is 1.1*1*0.78 inch. Include2 Pack ice cube trays