Ideal for serving up a cool whisky on the rocks, the 20cl Granity Rocks Tumblers are made from tempered glass for a stronger finish, making them ideal for use as an everyday drinking glass. The classic stacking design means these tumblers are ideal for a quick and easy clean up.

Product Features:
• Old fashioned tumblers
• Material: Tempered glass
• Offers up to 5 times more resistance than untreated glass
• Shock and heat resistant
• Stackable design
• Glass breaks into blunt fragments if shattered
• Dishwasher safe