Tree-Free Greetings sg23671 Modernist Rings by Shell Rummel 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 Handwash only, not dishwasher safe Hard to find Modernist Rings art by Michelle Rummel