PROFESSIONAL OUTDOORS BACPACK, GENUINE NYLON MATERIAL WATER PROOF , BACK WITH REINFORCENT STRUCTURE , MESH FABRIC AIR FLOW, TWO SIDE SBS ZIPPER WITH BARTACK PULLER ,SIDE WITH BOTTLE HOLDER , ADJUSTABE SHOULDER STRAP, DRAWSTRING STOPPER TWO SIDE , INSIDE WITH WATER BAGS , LIGHT WEIGHT , MULIT COMPARMENT FOR DIFFERENT ITEM, FINE DESIGN AND NICE SHAPED. FAST DELIVERY ,QUALTIY GUARANTEE. OEM ORDER WELCOMED.