Backpack and bag, school bag:Type: backpackBackpack:Build: without back carrying systemVolume:Large Category: 5 - 14 lSize:Volume: 6 lSize (W x H x D): 29 x 21 x 12 cmMaterial: 100% PolyesterWeight: 350 gOuter Pocket:2 mesh outer pocketsfront pocket with zipSafety feature: reflective pipingAdditional Information:front pocket with zip2 net outside pocketsremovable breast and waist beltkey holderStrap:Waist Strap: yesChest Strap: yes