High Quality Materials: The steel rock ice cube is made of food grade 304 stainless steel, which can be cut, rolled and polished to form a smooth edge. The smooth whiskey stone ice cubes will not scratch your glasses. Multiple uses: Whiskey cooling stones can cool various liquids and keep the concentration unchanged, and also can be used to cold compress wounds to reduce swelling. Easy to use: Metal whiskey stones contain condensed water, just put the ice cubes in the refrigerator for 2 to 4 hours then remove them, put the ice cubes in the drink and wait a few minutes. minutes before drinking Easy to clean and store: Stainless steel cube ice after use, you just need to rinse your hands in water, then wipe it dry, put it back into the freezer bin for storage, and it can withstand high temperature disinfection. The Perfect Gift: Reusable steel whiskey stones are ideal gifts for lovers of cold drinks or ice wine. Can be given to your friends, husband, father, brother, etc.