The M-Wave Hydration Pack offers an easy and convenient way to stay hydrated while camping, hiking or cycling! This hydration pack includes a 2 liter water bag, which slips into an insulated compartment to keep your water cool. The plastic drinking tube includes an exchangeable bite valve with a protective cover for sanitary use. M-Waves handy backpack style design features comfortable, adjustable straps, and 2 compartments for personal items. Reflective stripes are also included for added safety.