You have to choose Tovolo Sphere Ice Molds, which have a unique look to your favorite cocktails and whisky. Besides, with large 2.5″ ball size is perfect for your favorite low or highball glass. Furthermore, the sturdy plastic construction, leak-proof design, and water fill line make this ice tray easy to use for anyone. Also, it has a tight-fitting lid to seal out odors and allow for buildup.