From Riedel, the Rock Glass features: The Rocks Glass is part of the latest revolutionary collection from RIEDEL Bar. This glass is perfect for spirits served on the rocks or mixed cocktails, and is specially sized for large format ice. What's more, its intelligent design shows an exact measure of 60ml / 2oz, for neat and efficient pours. Set of 2 Crystal glass  Machine made Dishwasher Safe  Approx. 3.26" H, 9-oz Imported.