Zip Line Fun is "The World's Safest Zip Line".Perfect for daredevils yet safe enough for Mom and Dad, this high-quality zip line brings adrenaline-pumping excitement to any backyard. Featuring 90 feet of galvanized aircraft cable and an easy-to-grip trolley, it's a strong piece that makes for absolutely entertaining get-togethers, family gatherings and more! Assembly Required Fully enclosed trolley & drop-style handles mean no lost fingers No metal on metal abrasion to the cable, which protects the cable from abrasion Zip Line Fun is ""The World's Safest Zip Line"" & can be used year-round | Adventure Parks Inc Adventure Parks Zipline 90, Blue