Roll Top Backpack | USA Decoration1680D, 100% ballistic nylon bonded to a waterproof membrane, 12. 6L Padded laptop compartment fits up to 17" laptop Interior pocket with key clip and zipper closure Two interior slip pockets Roll top closure with adjustable straps and slide release plastic fasteners Sturdy top grab handle Large exterior flap pocket with hook and loop closure Exterior pocket on flap with zipper closure Side entry security pocket with zipper closure at wearers back left