Made from food-grade stainless steel material, these reusable ice cubes will retain the cold and the flavor of your drinks, while never dilute, rust or corrode Whisky, Cognac, Rum, Vodka, Gin, cocktails, long and soft drinks or even wine. Before putting the stainless steel ice tubes in the fridge to freeze, just slightly damp them .Usually 1-2 hours frozen time is ok , for better enjoyment 3 to 4 hours is suggested. Delivery Quantity: 6pcs, Size: 2.6*2.6*2.6cm Color: silver Kind tips 1. Package content: only the above package content, excluding other products. 2. The size is measured manually, please allow 1-2 cm measurement error 3. Due to different displays and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.