3-Pack Silicone Ice Cube Mold Tray Hollow Cylinder Tumbler Mold for 20, 30, 40 oz Water Bottles with Lid, Reusable & Leakproof

【Specially Designed for Stanley Cup】This ice cube mold that is perfectly compatible with 30-40 Oz tumbler cup. This 3 pcs mold creates three large ice cubes, It allows the ice cubes to be stacked, making them compatible with a tumbler cup, as well as for individual use in drinks, coffee, or cocktail glasses.
【Long Lasting Cooling】Unique Hollow Cylinder Ice Cube Shape - This cylinder shape keeps drinks colder longer by melting slowly and diluting less.  Helping to maintain the drink's temperature without diluting it too quickly.
【High Quality Material】Food Grade Silicone & Diversification - Our ice cube tray molds are made of food grade silicone, which is BPA free, flexible and elastic, and can be recycled. Resistant to high and low temperatures, easy to clean.With Sealed Lid so you can enjoy pure ice without any pollution.