This is a set of 9 Solid Granite cubes ideal for keepong drinks cold whilst not diluting or effecting the flavour of your drink. Unilike regular Ice cubes the stones don't melt and dilute the drinkEasy to use， simply place in freezer for 1-2 hoursRound edges to avoid scratchesLooks great in the glassFor commercial or home useMade from premium GraniteApproximate Size 2x2x2cm