Ice Sphere Molds & Ice Ball Maker - Set of 4 Ice Cube Trays - Create Whiskey Ice Balls and Round Ice Cubes That Won't Water Down Your Scotch, Bourbon, Cocktails, & Other Drinks by Pratico Kitchen GREAT VALUE - Set of 4 individual high quality round ice cube trays makes 2.5 in (6.35 cm) slow melting whiskey ice balls, scotch ice balls, bourbon ice balls, and other cocktail ice balls to keep your drinks from getting water-downed EASY-TO-FILL DESIGNED ICE CUBE TRAY- Simple to fill: remove the cap, fill with water to the line, and freeze; other sphere ice molds require filling through a tiny hole and gets messy STABLE STACKABLE DESIGNED ICE MAKER - Unique design lets you stack sphere ice cube trays to conserve space; large base prevents tipping and spilling water all over your freezer SIMPLE ICE SPHERE REMOVAL - Easily remove round ice cubes from base thanks to easy to use pull tab on silicone cap; no unnecessary prying & prodding needed DURABLE & EASY TO MAINTAIN ICE TRAYS - Made from high quality FDA approved food grade silicone and BPA free plastic; dishwasher safe