... Aluminum trolley system OEM ODM expandable trolley case PU 2 wheels 2pcs trolley case Baoding Baohua Bags Manufacturing Co., Ltd. was ... system expandable compartmentSize20",24",28" 32”is availableMaterialPUpuWheelBuilt-in,single wheels, 2big wheelsColorRed,black,green, gray,blue,whiteZipper2*front pocket zipperedHandle2 ...