Quick Shopping trade; Military Nylon Oxford Waterproof 3P Tactical Backpack Bag with Adjustable Strap Heavy-Duty Water resistant Nylon pack cloth construction and heavy-duty oversized zippers for extra durability It belong to internal framed pack,can make balance,double shoulder straps are adjustable Great for traveling, hiking, camping , etc Features spacious main compartment with zip around closure, interior zip pocket and mesh pocket Velcro strips for attaching customized patches and PALS webbed lining for attaching MOLLE pouches and accessories