Stainless steel double wall travel tumblers and more from this Seattle-based company with a do-good philosophy. Through MiiR's one4one initiative One dollar of each MiiR bottle you purchase provides one person with clean water for one year. The full $1 donation, all 100 pennies, will go directly to those in need. Clean water transforms lives, communities and generations -- and at a surprisingly low cost. So grab one of these colorful to-go cups and feel good doing it!