1. Safety: In order to hang the swing without damaging the tree. To prevent the shoulder straps from loosening when swinging, we equipped the carabiner with a high-performance nut. Each strap has extra seams on the metal hoop fabric loops to ensure a stable and secure connection without tearing at the seams.2 . drop in. High-quality material: Strap material: polyester fabric, D-ring and D-hook material: high-quality stainless steel, size: 150 * 5 * 0.3cm,3. Product collocation: 2 1.5m straps + 2 lock buckles + a pair of thickened guards + 1 rotating ring (including storage bag)Tree Protection: These swing hanging kits will not damage beautiful trees. They are equipped with a tree protection net so that the shoulder straps and the tree will not be frayed and damaged when shaking.4. Superior performance: the product uses nylon rope, high waterproof index, wear-resistant and durable, exquisite workmanship, meticulous positioning, maximum load-bearing: 0-550kg.5. EASY TO USE: Swing hang kit for all types of swings. Use it to hang all kinds of swings, patio swings, balcony swings, hanging chairs, baby carrier swings, balcony swings and more. Both straps can be installed in less than 5 minutes. No drilling or tools required. The straps also work with any size and fit hammock.