【Continuously Cooling】The ice ball mold has a larger volume and a smaller contact surface with the wine, compared with the same effect that 14 small ice cube could have. It can continuously lower the temperature and reduce the melting speed. 【Sturdy Base & Easy Release】The sturdy plastic base makes the liquid steady to freeze, while the flexible silicone can be easily pushed from the bottom to release the ice ball easily. 【DIY & Stackable】You can add any taste you like in the mold-lemon, strawberry, mint, tea or lime to make four 2.5-inch ice balls. The stackable ice hockey-like tray does not take up too much space in the Frozen layer. 【Safe & Hygienic Ice Tray】The ice tray is made of food-grade silica gel and plastic pp. It is 100% safe and hygienic to freeze juice, wine and even baby food. It can be cleaned easily by hand or by dishwasher. 【Good Drink】The spherical ice cubes are suitable for freeze water, cocktails, whiskey, juice, iced coffee, popsicles, pudding, etc. Let's enjoy drink time in bars, outdoor parties, and restaurant or beach holidays.