Silent & Smooth Multi-directional Spinner Wheels: Benefit from brand new soft TPU and lubricating balls inside wheels, luggage moves very silent and smoothly with 360 rotate double wheels. Luggage passed 100% perfect drop test. Luggage also passed the walking test ( A professional luggage quality test: Luggage can loads 15kg and walks 40km at a speed of 10km/h ). Best choice for long-term travels and business trips
