Ricardo Beverly Hills Mar Vista 22-Inch 4 Wheel Horizontal Pullman, Graphite, One Size Lightweight polycarbonate hardside shells provide superior protection for your belongings. Oversized double spinner wheel system with 360 degree mobility minimizes effort and strain on arms, shoulders and back. Ergonomically designed handle system features TPR grips that fit comfortably in your hand. Multi-stage locking pull handle system adjusts to the most comfortable height for you. Elastic tie-down straps help keep items in place as you travel. Split-book style opening provides two large packing compartments. Horizon x-large offers a wider wheel base which helps the case roll smoother and track better. 10 year limited warranty 22x24x11