(Set of 12) 12 Oz. Crystal Clear Heavy Base Polycarbonate Tumbler *Break Resistant* -12 Pieces- 12 Oz. Ultra crystal clear glass-like Classic tumblers, Stackable, Round shape, Smooth design, Heavy base, Dimensions: Height 5.5", Top 2.75", bottom 2 Break & scratch resistant Polycarbonate plastic Commercial heavy-duty grade, Restaurant quality Dishwasher safe and easy to clean