Gibbon's Classic Line is perfect for beginning slackers, families, kids, and folks who are in it for the fitness, and the Classic Line XL is twice as long. This set includes Treewear protectors so you can set it up at parks without worrying over ruining any bark. The line itself boasts low stretch, high strength, and moderate dynamics designed with beginners in mind, and the ratchet includes black marks to ease setting the line up for starting slackliners. This set also includes a carry bag for easy carrying from backyards to parks.