Zak Designs Aquam Virtually Unbreakable 19-Ounce Polycarbonate HiBall Tumbler, Ink 19-ounce tumbler measures approximately 3 by 3 by 5 inches Virtually unbreakable 100-percent polycarbonate construction Gently rippled, contoured design; elegant translucent color Top rack dishwasher-safe for quick cleanup Lightweight; for indoor or outdoor use