304 Stainless Steel Whiskey Wine Stones Reuseble Ice Cubes Ball with Box Bar Party Supplies4PCS Condition: Item Type: Ice Cubes Material: 304 Stainless Steel Color: Silver Single Size: Approx. 2.6x2.6x2.6cm / 1.0x1.0x1.0in How e: When using, clean the product and place it in the freezer compartment of the refrigerator. After freezing and icing in the refrigerator for cold storage (about 2-3 hours), take out all kinds of alcohol, juices, milk, etc. that need to be cooled down. In such beverages, it takes about 2-3 minutes to put ice cubes in the beverage to cool down various beverages. Cooling Effect: One ice cubes can freeze 80-100ml of water. After putting water at room temperature of 29°C for three minutes, the water temperature will be less than 9°C and continue to cool down. The temperature of ordinary ice cubes will be above 9°C and have almost melt after being placed for 5 minutes. After the ice is over, it can be cleaned in hot water at 100°C. Other Uses: Cold compress, hot compress, usually put in a cup can quickly cool down the water, and in summer you can drink cold boiled water immediately.