Item: Stainless steel whisky ice cubesSize:2.7cmMaterial:Stainless steelHow To Use:1. Rinse the stainless ice stones.2. Put in the freezer 3-6 hours before use, for chill drinks.3. Serve 1~3 stones to chill the drink, let stand 5 minutes or more.4. Flush the used stones and put back in the freezer.Caution:1. Rinse and air dry stones following every use.2. store stainless cubes in freezer for next time.3. Rinse thoroughly before first use.4. Do not chew or ingest, get it out timely.Feel free to contact for customisation needs.