Patented cover design lets you take out only the ice you want If you're sick of flipping ice trays over and spilling all the ice, then our Ice Cube Tray is for you! A unique, patented cover design lets you release only the ice cubes you need while keeping the rest secure. Stackable for multiple trays. This ice cube tray is perfect for those drinkers who only like one ice cube in their drink! Just pull back the lid to the next ice cube and turn up side down and done one cube at a time. great for scotch on the rocks. Dishwasher safe so you can wash your ice cube tray and lid and BPA free. Perfect so it doesn't absorb the freezer or fridge smells.