[durable material] swing sets are made of high density polyester. Rope hammocks are as sturdy to fasten as car seat belts, offering resistance to abrasion, heat and sun. The end seams have mesh stitching which is more stable and prevents the strap from breaking easily. These 300CM extra long swings are adjustable. [Easy to use] This swing hanger kit is suitable for all types of swings. Two belts can be installed in 5 minutes. No drilling or tools required. It comes with a handy suitcase so you can take the strap anywhere. [easy and quick installation] You can hang the swing in a minute without tools. Place your seat belt on the tree; Buckle the strap to adjust the correct length; Pass the strap through the metal ring; Hang the swing and check the stability again. [Safety and High Elasticity] The swing hanger strap is made of high-density nylon, which can withstand harsh winters and harsh summers. The D-ring and carabiner are made of high quality stainless steel. Each strap can hold 550 lbs when used directly and 1100 lbs when folded. [Widely Used and Portable] Comes with a nylon storage bag that allows you to take your hammock anywhere. Suitable for all types of swings. For example, tree swings, rocking chairs, wooden swings, double swings, tire swings, but also hammocks, hanging chairs or hanging seats. Specifications: Name: Swing Strap Set Specification: 1.5m/2m*50mm Color: Black Weight weight: 500g Scope of delivery - 1 storage pocket - 2 swing bands - 2 sturdy steel carabiners 304 stainless steel - 2 Protections - shafts and anti-corrosion mats