Tree-Free Greetings sg24489 Wolverines College Football Fan Sip 'N Go Stainless Steel Lined Travel Tumbler, 16-Ounce Premium quality 16-ounce travel tumbler for hot or cold beverages Stainless steel inner, comfortably curved acrylic outer BPA free and Proposition 65 compliant Hand wash only, not dishwasher safe Hard to find Wolverines College Football Fan gear