x xben zip line kit for kids and adults outdoor: up to 500lbs - 100ft | quick tighten zipline for backyard with removable trolley swing seat spring brake ratchet strap, gift package is up for auction in Patio, Lawn & Garden. The current bid is $1.00, 99% below the $89.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.