G4Free Tactical Rucksack Assault Backpack Outdoor Traveling Bag Camping Hiking Trekking Bag 15" Laptop Backpack(ACU Camouflage) Upgrade Version:40L Capacity, top zipper pocket fit for 6 inches smartphone, front bottom zipper pocket fit for iPad4, 10 inches tablet, front bottom interlayer pocket fit for 5.7 inches,4.7 inches phone,back zipper pocket fit for 14.5 inches laptop , Approximate size: 13.2(W) x 18.5(H) x 9.1(D)inches 600D Polyester Fabric Material, scratch-resistant, all the stitching and webbings are reinforced, high density, resistant to tears and abrasion , polyester fabric pack cloth for extra durability. A dedicated padded back panel compartment with pocket which is suitable for a laptop computer, hydration bladder or other items that require quick access. for a laptop computer, hydration bladder or other items that require quick access. Bag's body parts using high-strength nylon buckle,crashworthiness, not cracking, deformation. Fully padded back, lumbar support,adjustable shoulder straps and waist belt made this backpack more comfortable and relieve stress of shoulder. All compartments are closed with sturdy zippers. This versatile Backpack is great for Military Gear, Laptops, Man Bags, Travel, hiking, Camping and other outdoor activities.