Four, multi-directional spinner wheels for easy mobility. Fully featured interior includes mesh and show pockets for increased organizations. Retractable top carry handle for ease when lifting a full case. Rubberized corner protectors guard against wear and tear at critical contact points. Case expands 2" for adding packing capacity. 1680D Polyester. 10 year warranty. Carry-On size and weight allowances vary by airlines. Go to shop.samsonite.com/airline-carry-on-guide for more details. If the bag is overstuffed, it may not be accepted by the airlines. Weight: 9.08 lbs. Body Dimensions: 20.0" x 14.0" x 8.25" Overall Dimensions: 22.0" x 14.0" x 9.25"