Icicle-Silicone Ice Ball Mold-Classic Black Silicone Ice Ball Mold with 4 X 1.8" Ball Capacity Tray Classic Black Silicone Ice Ball Mold with 4 X 1.8" Ball Capacity Tray, these durable, easy-to-clean silicone molds create big, round ice balls with a huge surface area. Flexible silicone trays allow ice to pop out easily. Made of durable and long-lasting 100% FDA Food Grade silicone; Silicone mold releases the ice easily and cleanly; Dishwasher safe & BPA-free. These molds are very easy to use and within a few hours you will have created very attractive, slow melting ice ball to impress your friends and keep your drinks chilled for longer. Water fill line on the molds to ensure the perfect ice balls, perfect for scotch , chilling cocktails, non-alcoholic drinks, water or any cold drink. Note: Don't fill up the water all the way, as ice expands, it will overfill the mold. Just leave a bit of room empty at the top.