CHARGE AND SECURITY - The package includes: 2 straps + 2 stainless steel carabiners + 2 tree guards + swivel buckle + 1 storage bag. The suspenders are made of high quality polyester fiber, sturdy and durable. The maximum load per belt is 550 kg. The set comes with two thick D-shaped hooks for added security. Large springs can be used to suspend heavy objects such as swings. Tree Protection - The swing comes with 2 tree protection pads, so straps and trees won't get worn or damaged by shaking. This will protect beautiful trees. Easy and quick installation - swivel ties are adjustable. They can be installed in minutes and ready to use right after! If the straps are long for you, you can wrap them again and again to secure the branches. Portable and space-saving - The swing comes with a storage bag. You can easily transport it. VERY VERSATILE - The hanging harness kit is perfect for a classic tree swing, a garden swing, a children's swing or a hammock.