39.5" Telescoping handle. Inspired by aerospace technology, the aluminum alloy frame is light, super strong and rated to safely support up to 300 lbs. The removable Z?CA Insert Bag is made from premium water resistant 600D polyester and is hand washable. The dual wheel system climbs stairs and curbs with ease. Magneto dynamic 4" polyurethane wheels absorb shock and make for a seriously silent ride. Gear platform to carry additional load. Feet, made of nylon 6, go easy on scrunchable surfaces.This bag DOES NOT meet FAA specifications for carry-on baggage