The Vevor slackline kit is a complete backyard balance training set designed for kids and adults. It includes two 60-foot slacklines, an arm trainer, tree protectors, a waterproof carry bag, and an instruction manual for convenient setup and transport. Dual ratchets and heavy-duty webbing provide a secure, stable feel with a 500 lb load capacity per webbing strap. This kit is suited for balance practice and active play in spaces like backyards, playgrounds, gyms, campsites, and parks.