MiiR's kind of been a gem in the coffee world. They set aside a portion from every sale to give back to the world. When you get your MiiR tumbler, look for a Give Code on the bottom of it; you can use it to see how your purchase has made a difference.
Double wall vacuum insulated
Powder coated stainless steel, BPA free
Holds 8 ounces of any liquid—except for lava maybe