VEVOR Zipline Kit for Kids and Adult, 80 ft Zip Line Kits Up to 500 lb, Backyard Outdoor Quick Setup Zipline, Playground Entertainment with Stainless Steel Zipline, Spring Brake, Safety Harness, Seat

The installation height is based on the height of the child. In conventional installation, the steel wire is inclined, one side is high and the other side is low, so that the sliding is smoother. The low side is recommended to be more than 1.8 meters above the ground.