Keep everything you need close by with the Hydration Rucksack Blue. Featuring a 2L water bladder, BPA free, that will help you quench that unbearable thirst after a long journey. The adjustable shoulder straps lighten the load and the spacious main compartment with zipper opening has you covered. A padded backside will help you feel like you're not even wearing a backpack. Features Durable fabricInnovative high-grade coated zipperLightweightIncludes 2L water bottle (BPA-free)Turn and pull the valve to openTo use the hydration system, use the clear tube connected to the bottlePadded and quilted backAdjustable shoulder straps with ventilation and with reflective detailsSpacious main compartment with zipper opening2 Front webbing bandsCarring handles on topReflective details