1. Safety: Designed for hanging swings without harming trees. To prevent the straps from loosening during swinging, our carabiners feature a high-performance screw cap. Each strap includes additional seams on the metal ring fabric loops to ensure a stable and reliable attachment without tearing at the seams. This design prevents the straps from falling off while swinging. 2. High Quality Material: Strap material: Polyester fabric, D-ring and hook material: premium stainless steel, Size: 150 * 5 * 0.3cm, Product configuration: 2 straps + 1 storage bag + 2 strong D-rings + 2 wear-resistant cloth sheets. 3. Tree Protection: These swing hanging kits are made to protect trees. They come with a tree protection net to prevent wear and damage to the shoulder straps and trees during use. 4. Superior Performance: Made from nylon rope, featuring high waterproof ratings, wearing-resistant, and durable, with exquisite craftsmanship and detailed orientation, Maximum load: 0-550kg. 5. Easy To Use: Tree swing hanging kit suitable for various types of swings. Use it to hang all kinds of swings, whether on patios, verandas, hanging chairs, baby carriers, and more. Both straps can be installed in under 5 minutes. No drilling or tools required. The straps are also compatible with hammocks of any size.