Set of 2. For classic cocktails. Ultra-slow-melting ice sphere quickly cools your cocktail without watering it down. tovolo.com. Food safe. BPA free. Dishwasher safe. These clever Ice Molds bring the art and science of slow-melting cocktail spheres to your home without the complicated or high price-tag. Best-in-class 2.5 inch scale and innovative silicone cap creates larger, higher quality ice-balls every time. Designed for living, these durable molds won't leak or tip in your freezer and stack neatly to conserve space. Incredibly easy to use, just add water and freeze to add perfectly formed sophistication to any drink. Made in China.