Every MiiR product sold helps fund transparent giving projects. Every MiiR product comes with a Give Code that allows you to experience the story behind your purchase. The bottle’s lightweight design and 27 oz. capacity makes it easy to travel with. Featuring a minimalist single wall design and leak proof lid, you’ll be the envy of the hiking trail. 18/8 medical grade stainless steel doesn’t transfer flavor or leave you with a metal aftertaste in your mouth.