About this item Large-sized Round Ice Balls: With our ice ball mold maker, you can create perfectly round 2.36-inch sized balls. Use 1 ice ball to refresh 2-3 drinks without losing the real flavor! BPA-Free Silicone Design: Our Ice Ball Maker Mold set of 4 are made of food grade silicone and AS plastic, safe and hygienic. They can withstand long-term low-temperature storage without breaking. Easy to clean and reusable. Easy to Use & Release: Size: 3.2*2.6inch. The silicone and AS material are closes well, just fill the round ice cube mold with water and freeze it for 6-7 hours to create Crystal Ice! Easily release the ice ball by squeezing the silicone bottom. Get The Party Started: The perfect extra large 2.36" whiskey ice balls. They can be served with other beverages too -- vodka, ice tea, coffee, cocktails, soda, scotch, rum, tequila, juice to enhance your drinks and elevate the party! DIY Creative Homemade Ice: This mold essentially takes the place of conventional ice cube trays. Come and make any hockey pucks you like with separate mold - fruit pucks, coffee pucks, chocolate pucks, pudding pucks, yogurt pucks.