Adventure Parks Zip Line Fun ZL35 Zip Line Ride On, 35', Yellow Trolley Weight Limit: 125 lbs Advanced Polymer Yellow Trolley with easy to grip handles Fully enclosed trolley and 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" and can be used year-round