Blue Sky Hammocks Hammock Tree Straps are an eco-friendly alternative to hang your favorite hammock. There is no need to put damaging nails or hooks into trees as long as you have Blue Sky Hammocks Hammock Tree Straps around. The convenient ?S" hook allow you to set up and take down your hammock with ease without damaging trees. These hammock tree straps will work with most hammock designs. • Eco-friendly hammock tree straps will not damage trees • Each strap measures 63 inches in length • Allows for easy setup and takedown of your favorite hammocks • 300 lb. weight capacity