The Shaped 3D Skull Ice Tray Silicone Ice Mold creates four large ice cubes, all of which are in the detailed shape of a skull. This is a great way to add some excitement to your drinks—especially if you’re hosting a party. These skull ice cubes can upgrade any drink and are a great finishing touch to your favorite spirits. Most importantly, the silicone ice mold uses BPA-free materials that aren’t toxic. Thanks to the flexible design, it can release..