This travel backpack 40L ( 12.6*7.5*20.1 inch ) features with multi-compartment design includes one main zipped compartment, one zipped middle pocket, two zipped front pockets and two side pockets. There is a velcro to fix the water bag liner in the main bag and a water pipe hole on the top side of the backpack to assemble the water bag system. You can easily organize all your necessaries with this hiking backpack for men women.
Premium Quality - The 3l hydration bladder is made of high quality TPU food grade material. The water reservoir is taste free and BPA free. It won't leave a bad taste in your drink. The water bladder has passed the pneumatic pressure test that is pressure-tolerant.