... inner Aluminum trolley system OEM ODM expandable trolley case PU 2 wheels 2pcs trolley case Baoding Baohua Bags Manufacturing Co., ... laptop bags and travel bags, which are made of polyster, PU, nylon ,EVA, ABS, PC and oxford fabric. Our ... expandable compartmentSize20",24",28" 32”is availableMaterialPUpuWheelBuilt-in,single wheels, 2big wheelsColorRed,black,green, gray,blue,whiteZipper2*front pocket ...