... system OEM ODM expandable trolley case PU 2 wheels 2pcs trolley case Baoding Baohua Bags Manufacturing Co ... ., Ltd. was established in 1990 specializing in the production of luggage,suitcases, ,handbags backpack ... Aluminum trolley system expandable compartmentSize20",24",28" 32”is availableMaterialPUpuWheelBuilt-in,single wheels, 2big wheelsColorRed,black,green, ...