Tovolo Sphere Clear Ice, Set of 4

Finally, an easy method for making clear ice! Perfectly insulated system creates a controlled environment where the oxygen is pushed into the bottom tray, leaving you with 4 crystal-clear ice spheres or cubes. Ultra slow melting Clear Ice won't dilute your favorite spirits and cocktails. Creates 4 seamless, 2.5″ ice spheres Clear spheres are ultra slow melting and won't dilute your favorite spirits Slim design stores compactly in freezer