Ice Ball Mold Maker By Scotch Rocks: Creates 2.5 Inch Ice Balls - Set of 3 Premium Quality Silicone Ice Ball Molds MAXIMUM CHILL, MINIMAL DILUTION Balls cool drinks down rapidly but melt slowly, preserving taste SIMPLE TO CLEAN & NONTOXIC 100% BPA-free silicone is dishwasher safe for simple cleanup post party LARGEST MOLDS ON AMAZON Make 2.5" ICE BALLS FOOLPROOF FILLING Lines on the molds let you add the perfect amount of water for best results