For the one who want an eco-friendly hammock straps, this will be the right product. This strap is made of high quality polypropylene. It’s equipped with durable D-rings and O-rings which allow it to self-lock, preventing the annoying slippage often happened to an unproven straps. It can handle weight up to 400 lbs. The setup is easy. You do not need to nail the trees to set the strap. Just wrap it around and it will self-lock itself for your convenience. The last thing to do is connecting your hammock to it and enjoys the day or the night peacefully.