It's great to keep a good hydration pack on hand for your bug-out gear or even keep in your car for emergencies. This Camelbak Thermobak Hydration Pack is really great! We have them starting at $49.99 in our eBay site with FREE shipping! They are brand new, sealed bite-valve with tags attached. These are a limited supply, so get one while it lasts! The inside bladder holds 3L of liquid and the pack has shoulder straps for you to carry comfortably. The tubing is insulated- a REALLY GREAT Hydration Pack!