[Expandable Tactical Backpack Size] Dimensions: 51 x 38 x 20 cm (when fully extended); Capacity: 39~64 Liters. Weight: 2.7 lbs. Featuring multiple zipper pockets and compartments for easy organization and quick access to your belongings.

【Durable & Water-resistant Military Backpack】Designed with a double zipper closure, this backpack is constructed from high-density, double-stitched 600D nylon fabric, ensuring long-lasting durability and water resistance. It offers ample storage with a large main compartment and two front compartments. Additional features include exterior compression straps to secure your items, a top carry handle, and comfortable backpack straps.

【Multi-Compartment Large Hiking Backpack】This tactical hiking backpack includes 3 main compartments. The main compartment is equipped with elastic straps to securely hold a laptop or other stationary items and can expand from 13 cm to 25 cm to accommodate extra gear. Each compartment also contains mesh or zippered pockets for organized storage.

【MOLLE System Backpack】The front and both sides of the backpack are outfitted with a MOLLE system. The extensive MOLLE webbing allows for the attachment of additional tactical pouches or any essential gear, making it suitable as a 3-day assault pack.

【Multifunctional Heavy Duty Backpack】This versatile tactical assault pack can be used for various purposes, including as a 3-day assault pack, bug-out bag, hunting backpack, hiking backpack, camping backpack, survival backpack, army backpack, trekking backpack, or EDC backpack.