DURABLE, RE-USABLE HEAVY BASE ACRYLIC TUMBLER! Perfect for Outdoor Events, Drink Promotions, Festivals and Souvenirs. Create a Gift Set with available Gift Boxes 20 oz. Fluted Tumbler with heavy base and the look and feel of glass. Made from Scratch Resistant Acrylic Plastic. Re-usable and BPA free. Also available in 13 oz. "Straight Wall Rocks", 15 oz. Tumbler and 12 oz. Short ”Fluted Tumbler" designs.