4-Piece Tree Swing Hanging Strap Kit with 4 D-Rings for Garden/Swing/Tree Swing/Hammocks High-Quality: These swing hangers are made from super-strong polyester for a robust and reliable connection that won't rip at the seams. The D-rings and carabiners are made of high-quality steel, durable, rust and corrosion resistant. Easy to Use: These swing straps are incredibly easy to install – no tools needed! Simply hang them from a branch or beam, quickly adjust the hammock height for optimal comfort, then open the safety clasp, thread the rope through the metal loop, lock it, and pull the rope end to tighten. Package Includes: You receive 4 extension cords and 4 carabiners. Each carabiner measures 8cm (L) x 6mm (Thickness), and each extension cord is 25cm long. The 100% polyester boasts a maximum load capacity of 150kg. Wide Application: Our swing straps are perfect for classic tree swings, garden swings, toddler swings, porch and patio swings, hanging chairs, hammocks, and more for an enjoyable outdoor experience. Installation Tips: 1. Choose a smooth and sturdy branch or beam. 2. Hang the two D-rings on the strap as widely as possible to increase durability. 3. Ensure safety straps are securely fastened before swinging.