Dimension:17.13 x 11.81 x 8.27 inch. 3 compartments included. The upper pocket is for storing clothes,shoes,towels or food,fruit and some daily necessities. The lower one (11.41 x 10.24 x 6.29 inch) is for different cameras, flashes, lens and drones. You can organize the inner padded to adjust the inner storage space according to your needs. The back laptop compartment is compatible with most 13-13.3 inch, 14 inch, 15 inch, 15.4 inch, 15.6 inch and up to 16 inch. | Padded removable modular inserts in the lower compartment is designed as customized dividers for different cameras and camera equipment. Customer can adjust the space based on their needs. Compatible with Nikon D7100, D7200, D7500, D5600, D5300, D3500, D3400, D3300, D3200; compatible with Canon EOS Rebel T6, T6i, SL2, SL3; compatible with Sony Alpha A6000 A6100 A6300 A6400 A6500 A6600 A5100 and other standard-size DSLRs cameras. Also designed to be compatible with DJI Mavic Drone. | This tactical camera backpack daypack is made of polyester material. A removable USA flag patch in front and webbing throughout whole bag can attach additional pouch or outdoor gear. Inner foam padded layer can provide good buffer and protection to your internal stuff against scratches, impact, shock and drops. Reinforcement edge & bottom with side load compression system, perfectly used in wild environment. | Side or front open design is easy for you to put and access camera without opening this backpack fully. 2 front zipper pockets can store tablet, phone and some frequent used items conveniently. Tripod/monopod holder can be carried on the bottom. 1 pocket on the side can store umbrella or water bottle. And 1 anti-theft zipper pocket on the back for your wallet, cellphone and other precious items. | Back trolley belt makes it convenient during the trip. The breathable shaped padded shoulder strap and back panel is extremely comfortable and lightweight, which will release heat rather than accumulate, ease your pain after long time take. Clip strap on the shoulder strap can hang sunglasses, eyeglasses and towels. This tactical photography camera backpack is suitable for men/women photographers and outdoor photography enthusiasts.