Chill your drink without dilution, the Gentlemen's Hardware Whisky Stones are ideal for any ice cold drink lover. Practical and stylish, the phrase 'on the rocks' is brought to life with this set of six stones made from granite and soapstone. Simply pop in the freezer four hours before use, then when you wish to chill your drink, use as you would ice cubes. An innovative and unique design, ideal for travelling and any ice cold nightcap. Perfection chilled!