This backpack is lightly used. It is in nice preowned condition and has a large capacity and lots of compartments. The main compartment will fit about 2 basketballs (see pic). Measurements are in pics. Has:padded straps reflective material carrying handle A ton of small and large compartmentsElasticized pockets\ water bottle holders on both sides Multiple places to clip items Adjustable straps Deep pockets Embroidered logo Gray interior The description below is from the retail website: Generous main compartments and multiple pockets allow you to keep all of your gear secure and organized. A dedicated sleeve for your tablet. Compression straps are designed to cinch down and secure gear while carrying. These straps are also ideal for providing extra storage for items like jackets and sleeping bags. Easily attach gear like a lantern or water bottle with the monster hook clip. The Suspension System provides relief when carrying heavier loads. It does so by dampening the shock of weight transfer while transporting your gear.