Safe and stable: Each swing is made of premium polyester fabric with a length of 150 cm and a maximum load capacity of 550 kg. It can withstand extreme weather conditions. It is also equipped with extra thick D-hooks with an 8 cm diameter and industrial steel safety locks, you can use it with confidence. High quality: Made of tear-resistant polyester, waterproof and weather-resistant; Premium stainless steel D-carabiner, strong locking system, never rusts, never fades. Protective tree hammock attachment These swing suspension kits will not damage beautiful trees. We offer free thicker tree protection mats that avoid sudden breaks caused by prolonged friction. They are easy to attach to the tree with Velcro, safer. Easy to install Installing this hammock is very easy. The swing can be hung in one minute and no tools are required. Place the strap on the shoulder, slide one D-ring through the ring at the other end. Tighten the straps firmly by pulling steadily downwards. To shorten the strap, place it twice on the branch. Attach the swing with the carabiner to the D-ring. Compatible with all swings: Heavy-duty straps for tear resistance + stainless steel carabiner. Suitable for tree swings, aerial swings, garden swings, nest swings, hammocks, camping.