[Hammock set suitable for all kinds of swings]: two swing straps are great, you get two straps for classic swings, garden swings, toddler swings, porch swings and swing sets. deck, single straps, tire swings, disc swings, seesaws [Sturdy and Safe] Constructed of high quality commercial grade nylon and can withstand harsh winters and brutal summers, very strong and safe . The carabiners are made of strong stainless steel, very strong and durable. [Easy to install]You can install the swing in a minute easily and without tools. The tree is simply attached to the strong hooks with the strap. The hammock attaches perfectly to trees, wood or metal. [Tree protection]: These swing hanging kits will not damage beautiful trees. They are equipped with a rod protection device to ensure that the straps and rods do not wear out or get damaged when shaken.