Traveler's Choice Rome 29 in. Hardshell Spinner Suitcase (Orange) Feather lightweight yet extremely durable polycarbonate abs hard shell materials for maximum impact resistance The polycarbonate allows the shell to absorb impact by 'flexing' when under heavy pressure The abs is then added to give the shell greater rigidity so that it will not permanently deform when under pressure but instead 'pop' back up into its original shape Internal retractable aluminum dual-tube telescopic handle with push button system Feature state of the art 360-degree spinner wheels, allowing effortless maneuverability even when the checked cases are loaded up