Zuca Stealth Sport Insert Bag with Black Non-Flashing Wheels Frame This all-black Stealth case makes a bold statement. This Black Frame with non-flashing wheels doubles as a seat! 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. Magneto dynamic 4" polyurethane wheels absorb shock and make for a seriously silent ride. The dual wheel system climbs stairs and curbs with ease The removable ZCA Insert bag is made from premium water resistant 600D polyester and is hand washable.