Milspec Jumbo Vintage Canvas Backpack is a classic backpack constructed with a vintage washed cotton canvas material. The pack features 1 large main compartment ideal for books & supplies, 3 outside zippered pouches & 2 elastic side pockets with tie down straps, great for accessories and water bottles. In addition, the canvas bag also features padded adjustable shoulder straps and a top carry handle. Milspec Jumbo Canvas Backpack measures 18" x 13.5" x 7". Milspec also offers a more compact version of this backpack as well.