SPECIFICATIONSis_customized: YesWeight: about 550gOrigin: Mainland ChinaModel Number: IN569Material: PolysterFunction: RainproofColor: Black,Blue,Red,Orange,Green,Postal,PurpleBrand Name: NoEnName_Null About backpack and water bag This product is backpack, bladder is accessories. Backpacks don't contain bladder.If you...