Bormioli Rocco Rock Bar 9.25 oz. Rocks Glass, Set of 6 Practical and durable tumblers hold up to 9.25 oz. and are designed so that all glasses are stackable for easy storage. Made in Italy from tempered glass for durability. Stylish and useful glasses will stand up to everyday demands. Makes a great starter set or addition to your home bar. Measure 3.75" h x 3.25" w ; Dishwasher Safe