Hartmann Ratio Medium Journey Expandable Glider, True Black Durable ballistic nylon and handsome full grain leather. Wider, contoured handle system that provides 12 positions of height adjustment for unmatched ease of movement Sleek, leather carry handles. Re-engineered wheel system that incorporates 12 individual, hardened steel cartridge bearings Multiple pockets designed for organized and tailored packing Adjustable ties tapes to keep belongings neatly secured Interior dimension(Body dimensions): 21.0 x 19.0 x 11.0 inches