LIKE A ZIPLINE: Give kids the thrill of a zipline with a much easier set up and affordable cost. EASY TO INSTALL IN MINUTES – This Roller Zip line is great outdoor play and is easy to setup. Find 2 healthy strong trees 20' - 30' apart and attach the 2” webbing line. Add the Roller wheel and T-Bar handle and let the adventure begin! KIT INCLUDES: 36’ line, Ninja Roller, New T-Bar Handle, Bumper, carabiner, Ratchet Cover and storage bag. HIGH QUALITY: Ninja roller is made of powder coated aluminum and bumper. The 360-degree ball bearing center allows for a smooth ride without getting caught on the line. Durable, rubber “bumper” included for safe, soft finish to the ride..