6Oz). the Merlot Hiball Tumbler is of Slender & Simple Design, Ideal for Soft Drink, Juice & Water or Spirits & Ice. the Merlot Collection of Glassware has Been Made with Fully Tempered Glass for a Robust Finish That Will Break into Blunt Fragments If Shattered, Ideal Where Glass is Paramount. Fully Tempered Glasses Are Resistant to Mechanical Shocks, Extending the Life of the Product Compared to Non-Tempered Glass Ranges. They Are Heat Resistant to 135C & Can Withstand Changing in Temperature From Hot to Cold. Dishwasher Safe - Strong & Durable, Shock Tested & Capable of Industrial Dishwasher Cycles, While Maintaining Clarity. Minimum Quantity: 48