Carlisle 4363707 Lafayette Old Fashion Tumbler, 12 oz, Clear, Polycarbonate (Case of 36) Clear old-fashion tumbler with 12-oz. capacity has a fluted, glass-like appearance and is dishwasher safe Base is slotted to allow water to drain after washing Tapered sides enable stacking for organization and storage Internal lugs prevent stacked tumblers from jamming Polycarbonate material is break resistant