Our International Traveller Twin Wheel 2 Piece Luggage Set 16-0023-002/2 features: • 100% polycarbonate shells offer light weight, high impact protection for a nearly indestructible suitcase • 28" Spinner: 28" X 20.5" X 12.8" (12.8 lbs) • 18" Spinner: 18" X 13.6" X 9" (7.5 lbs) • Fully recessed push button internal trolley system • Unique twin-wheel system allows you to tow your case in three different ways and makes traveling easier • Unique expansion provide an additional two inches when needed • Fully lined interior with zippered packing divider • Top and side grip handles for easy lifting