Authentic Backpack Mens Capicity Military Tactical Hiking Expandable 39L-60L

Product Name: Authentic Backpack Mens Capicity Military Tactical Hiking Expandable 39L-60L
Large Capacity Tactical Backpack and Multi Compartments Military Backpack Regular Size: 14.5''x 21''x 8''. Expandable Size: 14.5''x authentic 21''x 13''. Main compartment expands from 39L (2380 cu in) to 64L (3905 cu in). This school backpack has 4 main loading spaces and water bottle mesh pocket. Plenty of rooms for a lot of stuff and plenty of separate compartments you have organized. Expandable Backpack Water Resistant This backpack cab be expanded by zipper on the side. The thickness of the side can be switched between 8 'and 13', and the maximum packet capacity can reach 64L. Can hold more things and the side buckles make it easy to secure it and reduce the size if it's full, and this backpack is water resistant, very suitable for outdoor activities.