Strong and durable materialThe hammock straps are made of industrial and durable nylon, water and tear resistant. With double stitches, the straps are stronger and prevent breakage. p> Easy to installYou can install the swing in a minute and hassle-free and no tools required. With the ribbon, you can simply attach the tree to the sturdy hooks. 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 shaft protection device to ensure that the straps and shafts are not worn and damaged during shaking. Hammock Kit Suitable for all types of swings: Two swing straps are fantastic, you get two straps for classic swings, garden swings, toddler swings, porch and patio swings, swings for tires, disc swings, swings