Design:The 3-piece silicone ice trays feature a hollow cylindrical design.With 3 different sizes of ice molds, you can choose the right ice or stack them on top of each other, perfect for 20/30/40Oz Tumbler and cups. High Quality Silicone Material:Our ice molds are made of food grade silicone material, odorless and free. DIY your favorite drinks, juices, coffee cocktail, and whiskey this summer with this ice mold!Each hollow cylindrical silicone ice tray comes with a lid for the freezer. Hollow Cylindrical Ice Molds: the hollow cylindrical ice increase the contact area between the liquid and the ice, thus cooling the drink quickly. This design also reduces the occupied volume of the cup and you can fill more drinks. Easy To Clean & Store:The ice trays with lids can be stacked in the freezer to isolate odors and dust and keep ice fresh. Rinse well by hand or dishwasher. Air dry and stack in a dry place. Great for chilling whiskey, juice, coffee, cocktails and other drinks. Easy To Handle: The soft silicone mold makes removing the ice very easy. Simply peel off the outer mold and squeeze the mold to remove fresh ice. It's much those flimsy plastic trays, and much easier to clean and store. Perfect for making your favorite Colour:Black Material: Silica gel Package Contents: 1x Ice box mold tool kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.