Lightweight polycarbonate and ABS. The shell flexes to absorb impact and flexes back to regain original shape. Telescopic handle system with multi-stage locking heights. Reinforced carry handles. Four multi-directional spinner wheels for effortless rolling. Built-in 3 digit combination TSA™ locks. Fully lined interior. 13 x 9 x 21-1/2 in. H. Black.