(Set of 4) 10 Oz. Crystal Clear Polycarbonate Rock GlassBreak Resistant (3-7/8") -4 Pieces- 10 Oz. Ultra crystal clear glass-like Rock Glass, Heavy base, Dimensions: Height: 3-5/8" Durable quality, Break & scratch resistant Polycarbonate plastic Ideal for bar, hotel, restaurant, poolside, catering, cruise, home, resort, night club and more It is Dishwasher safe and easy to clean