The NFB Bags is a favorite best laptop backpack choice for its understated style and huge carry capacity (and well – padded shoulder straps for carrying it all comfortably) incase updated the bag with abrasion . this laptop bag is light weight and has the high tensile strength of , nylon, fiber , polyester , making it an awesome laptop backpack, the bag is otherwise the same as the original . four separate sections give you laptop compartment space for up to a 15.6 – inch laptop and tablet, plus one for flat file and another loaded with pockets for all your accessories .while water bottle/umbrella storage is available on the outside. One of my favorite features, beside on the shoulder straps, is the zippered pocket compartment at the base of each straps