SAFE AND ULTRA DURABLE - These whiskey stones use food-grade non corrosive 304 stainless steel which has strictly passes the FDA Certification. Theyre durable, reusable, dishwasher safe. Also they secure a secret non-toxic cooling gel inside which will extend the chilling time.CHILL WITHOUT DILUTION - These stainless steel reusable ice Cubes will retain the cold and the flavor of your drinks,best ice substitute, while never rust, corrode or dilute Whisky, Cognac, Rum, Vodka, Gin, cocktails, long and soft drinks or even wine.COOL DOWN DRINKS FAST - Just slightly damp the cubes before placing them in the freezer. Freeze more than 4 hours, then they are better to be used for maximum enjoyment.EASY CLEANING AND STORAGE - Smooth cubes will not scratch your drinkware,just simply water wash after use,easy to wash and clean.They are dishwasher safe and will keep their pristine appearance.Recycle PP tray to keep your whiskey stones clean and storage them during freezing. Very convenient.PACKAGE: 8 * Stainless Steel Ice Cubes, 1 * Freezing Tray, 1 * Stainless Steel Tongs.Colour: silverSize: Stainless Steel Ice Cubes 2.7*2.7cmStainless Steel Tongs 13.6*1.6 cmNotes:Please allow 1-3cm error, due to manual measurement, please make sure you don't mind before bidding.Due to the difference between different monitors, the picture may not reflect the actual colour of the item. Thank you for your support