[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 solid 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.