Traveler's Choice New Luxembourg 2pc Expandable Hardside Luggage Set (Royal Lightweight yet extremely durable High Tech Molded hardside provides maximum impact resistance The ABS hard-sided material gives the luggage 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 29 in. & 25 in. hard-side spinner suitcases: Feature state of the art 360-degree spinner wheels, allowing effortless maneuverability even when the checked cases are loaded up Expansion gussets allows you to increase the packing capacity by 30%