Professional Quality and Easy to Use Made of PP and TPE (silicone) material is safe and durable. With the TPE material made at the bottom it is easy to remove the ice cubes. The smart removable lid helps prevent the freezing of excess water and keeps ice cubes from absorbing freezer odors. Multiple Applications You can use the stackable silicone ice cube trays to cool your drinks and make homemade delicacies such as cocktail iced coffee popsicles puddings fruit jellies and colorful fruit juice or add lemon slices or lime wedges to the water. Specifications Material: PP & TPE (Silicone) Dimensions: single piece size: 4.96 x 2.87 x 1.46 inch (L x W x H)