Tree-Free Greetings 77021 Hummingbird Treat Collectible Art Sip 'N Go Travel Tumbler, 16-Ounce, Stainless Steel, Multicolored 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 Great for bird watchers