... both sides 4.Telescoping handle Item Name.Trolley Backpack,Trolley bag, Backpack with Wheels, School trolley backpack, Backpack Trolley, Luggage Travel Trolley BackpackItems No.13SP04006Color ... .AvailableSize.32*16*46CMMaterials.600*300D/PVC+190T liningUsage.Travel, Practical, SportPackage ...