Infinium is not only dishwasher safe, but will stay clear and tough even after hundreds of cycles. It is resistant to cracking and crazing, and in a dishwasher test, outperformed SAN and Polycarbonate. The Stacking Cooler Glass is also resistant to taste, staining, and odor retention. Infinium is impact and shatter-resistant and in a drop test it outperformed both SAN and Polycarbonate. The Glass can contain hot liquids at temperatures up to the boiling point and are freezer safe. Tumblers are designed to stack without sticking together, reducing storage space, and the bottoms are designed for water drainage. 100% BPA Free. - Plastic; clear - Capacity 16 oz - Height 6-3/4 in - Top diameter 3-1/8 in - Base diameter 2-1/4 in - Sold per case; 12 per case