Made from high quality quartz crystal, this set of six Bartender Quartz Crystal Whisky Rocks (with black velvet pouch) will cool your favourite drink with ease.

Odourless and tasteless, when frozen the rocks will keep your (whiskey, gin, rum etc), white wine and even soft drink cool, eliminating the need for ice cubes that melt.

Instructions: To use, simply place the rocks in the freezer for at least four hours. When your drink is ready, pop three to four rocks into the glass and enjoy! To clean, simply rinse with water.