Culinary Corner&reg; Ice Ball/Sphere Mold Set, Lifetime Guarantee (2 pack) This 100% silicone 2.5 inch ice ball mold set creates slow melting ice spheres to dress up any highball glass or mug without the worry of diluting your actual drink. From water to your highest end liquor, enjoy your ice cold drink conveniently at your own pace without the need to get up and refill with more ice. Ice mold top and bottom fit snug to avoid leaks. Simply fill with water (or another liquid for fun) and store with ease in the freezer as the flat mold bottom helps keep a secured position without tipping over. Once frozen, remove ice sphere from the mold with ease. 100% top rack dishwasher safe; feel free to hand wash with light soap and air dry. We offer a lifetime guarantee with every product purchase. Silicone ice mold sets are great for holiday and birthday gifts, or simply for adding to upgrade your barware setup. FDA approved; BPA free. The ice ball mold set is made of food grade safe silicone.