Samsonite 21" Carry-on Polycarbonate Spinner Luggage Travel Suitcase Grey Silver Adjustable tie-down straps keep clothing neatly pressed in transit Four wheels...Zero effort - Four dual spinner rolls upright in any direction for easy mobility Cases expand for extra packing capacity Constructed of lightweight and durable 100% Polycarbonate Carry-on suitcase: 21 in x 15 in x 9 in, approximate weight: 7.5 lbs