ZUCA Cacti Sport Insert Bag ["Limited Edition"] with Sport Frame & Gift Black/Red Seat Cushion Bundle Inspired by aerospace technology, the aluminum alloy frame is light, super strong and rated to safely support up to 300 lbs - you can take a load off and use your Zuca as a seat on the go with the FREE comfortable seat cushion! 39.5" Telescoping handle 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