SiliChef Silicone Ice Ball Maker Mold, 2.5 inch Sphere (4, Pink) Slow metling ice ball great for whiskey, bourbon, scotch, and other cocktails. Keep your drink colder for longer than regular ice cubes. Quick release and non stick to remove ice ball with easy. Durable, long lasting, BPA free, food grade silicone. Top rack dishwasher safe.