Stainless steel hydration. It’s eco-friendly, insulated, and ready to go with you - wherever it may be. 
http://www.heartratemonitors.com/hydroflask-40-wm-stainless.html

Stainless steel hydration. It’s eco-friendly, insulated, and ready to go with you - wherever it may be. 

http://www.heartratemonitors.com/hydroflask-40-wm-stainless.html