ABS shell with front corner protectors for durability and protection, 2-inch expandable feature allows for additional packing capacity, Eight (8) spinner wheels system for smooth mobility Push-button retractable handle system for easy maneuverability, Built-in 3-digit lock for added security, Top and side carry handles for versatile carrying options The fully lined interior features a zipper divider for organized packing, One mesh zipper accessory pocket for convenient storage, and compression straps to secure belongings during travel Interior Dimensions: 20.5" H x 14.5" L x 9.5" W Exterior Dimensions (Including Wheels): 23" H x 15" L x 10" W - 6.4 lb