Constructed of 100% pure polycarbonate, the Sedona collection is extremely lightweight and long-lasting. The polycarbonate hard shell material absorbs impact when under stress, making it both durable and flexible. The retractable push-button handle system is made of aluminum and has a self-locking mechanism, allowing you to adjust and lock the handle at different heights. Expandable feature offers 25% more packing capacity. The interior is fully-lined and has a large interior "U" shape zippered mesh cover. The built-in TSA approved 3-dial combination lock provide additional peace of mind. 22” Polycarbonate Spinner's Exterior Dimensions: 22"h x 14.5"W x 9"D (6.8 lbs.). Interior Dimensions: 21"h x 14.5"W x 9"D.