Your customers will go to great lengths to get this Two-Way Traveler's Tumbler with your silkscreened business logo on it! The 18 oz. double-wall SAN acrylic tumbler with polypropylene straw is BPA free. It features a dual purpose screw top lid with a locking flip top and a straw with a molded gasket so that it won't fall out when the top is screwed on. With the straw, the flip-top locks to lid; without the straw, the top flips to seal the drink spout. The tumbler measures 9 3/4" tall and has a 2 1/4" bottom diameter. The QCA certified supplier offers a lifetime guarantee for this product. Meet your clients half way with helping you get the word out about your company!