ZUCA Bag Go USA! Inspired by aerospace technology, the aluminum alloy frame is light, super strong and rated to safely support up to 300 lbs 39.5" Telescoping handle The removable, hand washable, Insert Bag is made from premium water resistant 600D polyester Magneto dynamic 4" polyurethane wheels absorb shock and make for a seriously silent ride This bag DOES NOT meet FAA specifications for carry-on baggage