Carlisle Stackable SAN tumbler. Tapered sides make tumblers easy to stack and pull apart. Textured exterior hides wear and tear. Stacking lugs inside prevent jamming when stored. Durable SAN reduces breakage. BPA free. Dishwasher safe. 2-1/4-inches base diameter. Measures 3-inches top diameter by 5.18-inches height. Made in USA.