Samsonite Silhouette Sphere 2 Softside 21 Inch Spinner, Black, One Size Four multi directional split spherical spinner wheels for easy mobility. Rolls upright so there is no weight on your arm or shoulder Textured TPR coated, gel-infused, push-button locking handle provides a comfortable grip SamGuard protection rugged tri-core nylon fabric features a water resistant coating Stands up to the rigors of frequent business travel Rubberized, textured corner protectors guard against wear and tear at critical contact points