The World's Only Interchangeable Ice Tray! rOks silicone ice tray consistently produces a high quality ice cube that is unique and personalized. Additionally, rOks silicone ice mold with interchangeable inserts gives endless options for customized cubes. This is the last craft ice tray you will ever have to buy. If your cocktail is top shelf, your ice should be too. * One tray, endless possibilities * Engineered design ensures a tight snap with every insert, every time * rOks inserts are compatible with only rOks ice trays * Made from BPA-free food grade silicone, dishwasher safe. * Inserts not included with tray * Enhance every experience