Greencity 3 Day Tactical Backpack Large Capacity Molle Bag Expandable Hiking Camping Hunting，Camo

【EXPANDABLE&DURABLE MATERIAL】 The hiking backpack capacity expands from 39 liters (2380 cu in) to 64 liters (3905 cu in). After expanded it is size: 15" x 21" x 13" (W*H*D),Water resistant and tear resistant. 【STRUCTURE】 3 zipper compartment; 2 exterior electronics pockets; Water bottle mesh pocket; Daisy chain can hold the rain gear or something; Mountaineering hook easy to climb; Molle system that allows customizing the pack for your needs. 【MULTIPLE COMPARTMENTS】 The second compartment has mesh bag can hold ipad. The main compartment has webbing to fix laptop. It has a room for 3 liter hydration bladders behind the backpack, inside can collecting earphone, documents, first aid kit, etc. 【COMFY&STURDY】 Comfortable padding back area, Ventilated mesh padding shoulder strap, Adjustable sternum strap and belt, 2 electronics pockets on the shoulder straps can be put for Walkie talkie. And it made of heavy-duty 600d polyester material. Any question please contact us whenever you need help. We have our own warehouse in California and Texas.