Aircee (TM) Camping Hiking Traveling Pack Trekking Rucksacks Tactical Camoufalge Army Military Waterproof Backpack (1-Army Green) It has one very large inside compartment with a pocket that would fit a laptop, tablet, etc. Plenty of pockets, lops and attachment straps to hang and attached whatever you want. This backpack will work well for camping, hiking, backpacking, fishing and other outdoor excursions. Shoulder straps and back padding have breathable mesh padding. Fully adjustable to fit just about anyone. Straps are adjusted using buckle closures. Measurement about:19.7x12.2x6.3inch, about 25L.