【THE SPACE YOU NEED】This Military Tactical backpack size appro：18inch x 13.2inch x 11.6inch dimensions and appropriately sized 45L capacity, this pack has room for all of your essential gear. Large multi-layer interior storage compartments can accommodate a lot of outdoor equipment, and also meet your daily travel needs. large area of Velcro, make the backpack different with other backpacks, you can paste any patch you like. .one US flag patch for gift(can be removed) | 【DURABLE & WATERPROOF】Military grade backpack is made from 900D polyester material, tactical assault backpack is reinforced and double stitched at all stress points. Resistant and tough and our Special coating makes our training backpack both water resistant and scratch proof | 【MOLLE MODULAR DESIGN】 Molle backpack webbing system on front and sides, designed to be used in combination with other equipment, you can attaching extra pouches or gears as tactical backpack; such as kettle pouch, walkie-talkie pouch, first-aid pouch, torch pouch, sundries pouch and also the sleeping bag and mat | 【MULTIPLE COMPARTMENTS】designed with 5 compartments for storing different stuff: two front pockets for small items, two large compartments with built-in zippered pocket and mesh pocket for big and important supplies, dedicated laptop/device compartment (17''), a hidden back pocket for frequently-used items, army military backpack opens flat to 180 degrees for easy packing/unpacking.Tactical backpack has bottle holder on both side of backpack, can fit for 750ml water bottle, umbrellas or tools | 【COMFORT & FUNCTION】This sports fitness daypack double stitched, padded shoulder straps and back area with mesh backing for comfort, ventilation, and strength during travel. high-quality brand two-way zipper, all compartments have two-way openings for easy access. Easy adjustable waist straps to keep the waist strap from sliding loose through the buckles. Hundreds of uses including as 3 day assault pack, Bug out bag, survival backpack, army backpack, hunting backpack, trekking backpack