100% Safe Nontoxic Material - The ice cube trays made of food-grade silicone, 100% BPA free silicone, which can used for adult & baby food. Recommend boil the ice cube trays for 30mins or a few hour when first use, then use pure water to fill ice trays and frozen. Our ice tray with cover can also be washed in the dishwasher.
The ice trays are made of food-grade and BPA Free silicone, healthy to use, flexible and easier to pop out the ice than plastic ice trays. The ice cube trays are dishwasher safe.