1. Size Ice BallsEach round ice cube tray inch medium ice balls. Not too big, not too small The medium size makes them melt way slower than regular cubes and makes your drinks look aesthetically pleasing. 2.Slim and StackableSlim and lidded design that you can stack them on top of each other to save room. It fit well in small freezer and won't a mess to stack. And the ice cubes will not absorb any taste from other stuff in the freezer. Its more hygienic, safer, cleaner and there is less chances of cross contamination. 3.Cute and FunSuper cute and fun circle ice for elevating the style of any drink. Makes your drinks look super fancy. Very nice for parties and every day use. Everyone will be delighted and impressed by these cute and fun ice balls. The spherical cubes are fun and perfect for whiskey, cocktail, beer, coffee, tea, juice, etc. 4.Premium MaterialMade of safe and durable food-grade material, BPA free, odorless, no toxic, safe and durable. They can withstand long-term low-temperature storage without breaking. Reused ice trays can reduce the pollution of disposable plastics and environmental damage. 5.Easy to UseSuper handy and easy to use, store and clean.lid and fill the bottom (tray without holes), close the lid and press it on and freeze hours, and then you'll get some beautiful ice cubes. To release cubes, simply twist both ends gently to remove ice cubes from the tray. It is an easy way to make ice cubes without a clunky ice maker.