Real Tree Camouflage Chita MBK Casual Daypack Hiking Backpack This is an 18 inch x 14 inch x 7 inch backpack. Front 9 inch x 11 inch zipper pocket for stationery supplies, card pocket, pen holder. 2nd layer 9 inch x 13 inch zipper pocket for snacks, lunch pack. 3rd layer large main compartment that can be divided into 2 panels, reinforced with #8 double heavy duty zippers, one designated for notebook computer. Two Padded back panels, about 1 inch thick, 3 inch x 17 inchfor comfortable contact and carrying. Same 5 inch x 5 inch triangle padding for waist contact. Two 5 inch x 7 inch side zipper pockets for more carrying capacity, ipod pocket and earphones eyelet.