What are Whiskey Stones?
Connemara marble cubes are made from marble that you put in the freezer and then use instead of ice in your drink. The stones can be reused time and time again, just wash and freeze again.  Marble is the best stone for this purpose as it cools very quickly and is non-porous. The main benefit of using whiskey stones is thSlàinteat they will not increase the dilution of your drink as they do not melt, preserving the original flavour notes.
Set of 4 Reusable whiskey stones made from 100% Genuine Connemara Marble. These useful stones come in a beautiful Shamrock Green pouch handy for storing.
Go great with that Knappogue Castle 12yr Single Malt or whatever your favorite Irish whiskey may be!!
Slàinte! 
They make the perfect gift for every occasion.