Package Contents: You will receive 4 pieces of ice cube molds. Enough quantity will meet your daily use replacement. These ice ball makers can make 6cm round ice balls. Please choose cups with suitable sizes. Premium Material: The round ice cube trays are made of large silicone plastic, which are BPA-free, reliable, compact durable. These ice ball makers have excellent airtightness to prevent water leakage. Considerate Design: The transparent lids make it easy for you to observe the water level of your ice cube. This ice ball tray melts the ice cube slowly to keep your drinks cold for a long time, adding a cool touch to your drinks. You can add vanilla, lemon, mint, etc., to make the spice of these ice balls. Easy to Use: Simply open the Place the silicone lid on the top of the ice ball tray pour water to the water level. Please do not overfill. Align the silicone plug of the transparent lid with the tail of the silicone tray below. Release the ice ball after 8 hours st at room temperature for 30 seconds. Versatility: Allows us to enjoy drinking time in bars, outdoor parties, restaurants or beach vacations. The cute ice maker creates a pleasant atmosphere. You can DIY different flavors of ice hockey, such as ice cream, pudding, jelly, etc.