Quickly chill cocktails, iced coffees, soft drinks, and more with the Tovolo Mini ice cube tray set of 3! Flexible and durable silicone material easily releases ice cubes. Each tray makes 135 mini ice cubes that are 3/8"square. The tight-fitting lid seals out odors and the stackable design saves space in the freezer. Once frozen, the flexible silicone material makes it easy to pop out the cubes. This tray is made of BPA-free silicone and plastic.