The ice cube is round ball shape, simple but fashionable. Material is food grade silicone,FDA Approved,100% BPA free keep your ice safe for drinking. The flexible silicone material shapes the bottom well, make it easy to release ice cubes.Smooth silicone surface makes it easy to clean. Size is 11.5×11.5x5cm(4.5″x4.5″x2″), 4 ice cubes, diameter of ice ball is 1.77″. Assorted colors are available.