Samsonite Skywheeler 2 30" Hardside Spinner Luggage Hardside (Polycar) - Shell material is made of injection molded polycarbonate, a highly impact-resistant plastic that is strong and lightweight. Spinner Wheels - Four wheels...zero effort, four multidirectional spinner wheels allow 360 degree upright rolling in multiple directions so there is no weight on your arm. Push button handle - Locks when fully extended so you can push or pull your case. The handle also locks when fully recessed, greatly reducing the risk of damage when not in use. Top carry handle - Allows you to lift the case with ease and comfort, or carry it by hand when rolling isn't an option. Side carry handle - Allows you to lift the case with ease and comfort.