PREMIUM QUALITY: These swing harnesses are made of high quality nylon, and the D-rings and carabiner are made of high quality steel. Sturdy structure and strong bearing capacity. High Strength Attachment Straps: Each swing strap can hold 100kg, heavy duty carabiner with screw locking system is a must for all super strong connecting straps. Easy to use: The swing set can be installed without drilling or other tools. Simply hook the swing hanger strap to a sturdy branch and secure the screw lock to the swing. Safer Sling: The multi-functional swing sling is designed with double-layer thickening, and each swing sling has extra stitching on the metal loop fabric loop to ensure a strong and reliable connection. safer. Suitable for: The tree swing belt is suitable for all kinds of swings, use it to hang all kinds of swings, patio swings, porch swings, hanging chairs, door swings -baby, porch swings, etc.