This swing hanging kit includes four straps and four carabiners. It works with swings, outdoor swings, porch swings, hanging chairs, carrier swings, climbing ropes, disc swings and more. Crafted from commercial-grade nylon, the straps are durable and abrasion-resistant, while the carabiner hooks are made of industrial-strength steel for nearly indestructible performance. Each strap can support up to 220 pounds, delivering reliable, long-lasting use both indoors and outdoors. Simply hang it on a pull-up bar or other secure mount to enjoy your swing seat, this kit will not damage trees during use.