LUXEHOME Premium Quality Dia 4.5cm Spheres Ice Ball Mold, 4 Whiskey Ice Balls Each Mold, 2 Molds per Package Ice ball made perfectly for that glass of Whiskey, Bourbon, or Scotch. The mold is the highest, thickest, BPA-free, FDA-approved Food Grade Silicone that will not retain any flavors or odors. Suited for DIY drinks making, just fill with water, soda, or juice, pop it into the freezer and enjoy frozen ice shot glasses! Exclusive design featuring a fill line for easier filling and smooth top domes for more consistent results. Our ice ball molds are flexible, dishwasher safe, and doesn't break like traditional plastic trays. But keep away from direct sunlight to maximize longevity.