Made of abrasion resistant Cordura and laminated with food grade polyurethane, MSR's tough Dromedary Bags are perfect for everything from alpine- to road warrior-style expeditions. They can handle freezing and boiling water and just about any kind of abuse you can imagine.The 3-in-1 cap lets you fill, drink and pour with ease, and you can attach the bag anywhere using the perimeter webbing.  Accessories like the Shower or Hydration Kits add do-all versatility. BPA free.