Travelpro  Bold  Drop Bottom Rolling Duffel, Black/Purple ,26" High-density polyester fabric with water-repellent coating for greater stain and abrasion resistance High performance ball-bearing wheels built for high-mileage travel, our ball-bearing inline skate wheels ensure the smoothest of rolls. Aircraft-grade aluminum handle system.2 inches expansion for additional packing capacity For packing flexibility, a zippered divider panel allows for two separate packing spaces or, if opened, one large main compartment Limited Lifetime Warranty Interior dimension: 30 inches x 15 inches x 16 inches Exterior dimension: 31 inches x 16.5 inches x 17 inches