ChefLand Leak Proof 6 Ice Ball Mold Maker - Secure Closure Silicone Ice Tray - 4 Cm Diameter - Best Design for Luxury Cocktails and More - Black - Instructions Included 6 Large 4 x 4.5 cm ball capacity shapes the best ice spheres that are slower melting than traditional ice cubes 1.78 inch Highest Quality Flexible Silicone Ice Mold - Slow-melting spehers keeps your drink cold without diluting it Perfect for Whiskey, Highball, Cocktail and Hurricane Glasses, Adds a touch of class to Bourbon and Scotch drinks; FOR THE PERFECT BALL you need to SNAP THE EDGES OF EACH SPEHER TOGETHER to avoid the water leaking out This mold is Durable and Long lasting -100% BPA free food grade - Dishwasher safe