HIGH QUALITY - The reusable ice cubes are made of food grade 304 stainless steel, you can use them in your drinks with confidence. Recycling, healthy and eco-friendly. No Dilution - stainless steel ice cubes will not melt or dilute your drinks, ensuring cold drink flavor. You can enjoy your leisure time slowly! QUICK COOLING - Put ice cubes in 80ml of 29C water and the water temperature will drop to 9C in about 3 minutes. Noticed : For best results, freeze 4-6 hours ahead. Widely available - they can be used in any beverage. These metal whiskey stones can be used for whiskey, other spirits, brandy, gin and even soft drinks. You can fully enjoy the original flavor and aroma of the drink. EASY TO USE - After washing, place the ice cubes in the freezer and freeze for 4-6 hours. You can start enjoying refreshing drinks! Packing list: 8 stainless steel ice cubes (1 free silicone clip). We only sell stainless steel ice cubes, not other items in the picture. Due to factors such as manual measurement and differences display, there may be slight differences between individual products and images.