Tree-Free Greetings sg23614 Colorful Stacked Stones Pattern 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 Colorful Stacked Stones Pattern art by Michelle Rummel