Designed with safety and commercial establishments in mind, these stackable Toughened Grande Rocks Glasses are idea for serving whiskey. Made from a super toughened glass, these strong and durable tumblers break into small, blunt chunks if broken, reducing accidents caused from broken glass.

Product Features:
• Old fashioned tumbler
• Material: Super toughened glass
• Impact resistant, breaks into small blunt pieces when broken for safety
• Dishwasher safe
• Lifetime Chip Warranty - Increased resistance to thermal and mechanical shock
• Stackable