Plenty of pockets:Roomy main compartment is perfect for laptop or tablet,booke,notebooks,and water bottle,while outer front pocket is great for phone,pens,tissues & snacks.It also secures your keys,cash & ID. Double zippers:Easy grip cloth and metal zippers make it twice as easy to open & close your bag in a rush between classes or airport gates. The technical stuff:Book bag measures 21"H*15"W*6"D,& is made of durable polyester.Hang handle double stitched on top so you can easily store this plain 15.6 inch backpack. SpecificationsDimensions:21"*15"*6"Fabric:DurableOccasions:Travel/Business/Trip/Work/Camping/School