Backpack and bag, school bag:Type: backpackBackpack:Build: without back carrying systemVolume:Large Category: Size:Volume: 4,5 lSize (W x H x D): 28 x 19 x 9 cmMaterial: 100% PolyesterWeight: 260 gOuter Pocket:2 mesh outer pocketsfront pockets with zipClosure system: zipSafety feature: reflective pipingAdditional Information:front pocket with zip2 net outside pocketsStrap:Chest Strap: yesEquipment:with Bottle Holder: yes