Suncatcher 15" inch Laptop Large School Backpack Book Bag Royal Blue Dual Color Block Mens Womens 2 large compartments: lots of storage space, can fit laptops up to 15.6" 1 front zippered pocket, side pockets: 2 water bottle mesh pockets with drawstring closure Interior organizer with 3 open pockets, and 3 pen slots to keep your small items in one place Adjustable padded & mesh underlined shoulder straps: achieve maximum fit. Includes convenient cell phone pocket built in the strap with velcro strap closure: no need to take off backpack to make or answer important calls 3 thick cushion mesh padding "islands" on rear panel: targets lower and outer middle back area to provide maximum comfort during prolonged use