Expandable & Large Capacity Normal capacity is 29.5L, After Expanding:36.8L. This travel backpack for men with expandable feature offers you more packing capacity than slim laptop backpack. 1 separate laptop compartment hold 15.6 Inch Laptop or less. 1 spacious packing compartment roomy for daily necessities,tech electronic accessories.Front compartment with many pockets,pen pockets and key fob hook,make your items organized and easier to find. It's nice traveling gifts for men Multiple Pockets & Organized The men's work backpack owns 17+ independent pockets for large storage and organization for small items. 3 spacious main compartments with many hidden pockets can accommodate lots of stuffs like college supplies, travel accessories, clothes, stationery, school books, cord organizer, side deep zipper pocket for easy access essentials, side elastic net pockets conveniently hold umbrellas and water bottles. Ideal book bag backpack