Made with 304 food grade stainless steel, BPA free lid. Features double-wall insulation technology that make your drinks stay hot for 8 hours, cold for 16 hours. Handle design, easy to carry. Flip-up straw design allows you to enjoy your favorite drinks anytime, 100% leak proof. Cupholder Friendly. This Houston tumbler is a perfect gift for all people who from Houston loves Baseball. This Houston cup suitable for Daily use, travel, contest, sports games and other outdoor activities. As Houston fans, show your love and support for Houston team on game day. 30oz Houston Tumbler with Handle and Straw, Houston Gifts for Men, Stainless Steel Vacuum Insulated Flip Straw Spill Proof Travel Mug Cup