Made from high-quality granite stone, this set of six Bartender Gin Stones (with black velvet storage pouch) will cool your favourite drink with ease, without diluting the taste. Odourless and tasteless, when frozen, the stones will keep your spirit (gin, whisky, rum, etc), white wine, or soft drink cool, eliminating the need for ice cubes that melt. To use, simply place the stones in the freezer for at least four hours. When your drink is ready, pop three to four stones into the glass and enjoy! Includes 6 high-quality gin stones. Made from granite stone. Odourless tasteless. Includes black velvet storage pouch. Food safe. Not to be used in cocktail shakers, delicate glassware or large volumes of liquid. Wash with hot soap water prior to first use and dry thoroughly. Rinse with water between use.