1. Material The rope is made of durable nylon material, and the buoys are made of very hard polyethylene plastic, are lightweight, have strong buoyancy, and are very stable. They do not tear due to sunlight and water and do not fade, so they can be used for a long time. 2.Product Parameters1 m/3.3 feet buoy rope has 5 buoys, each buoy is 20 cm/7.8 inches long and 6 cm/2.4 inches wide. The rope can be adjusted while the builtin floats can be moved or removed to create an effective visual perception for swimmers. 3.Pool Safety Rope Our ropes are specifically designed for the of your family and children. With this set, you can separate the shallow and deep ends of your pool, making depth changes easy to recognize. Can also be used to create swimming lanes for training and competitions. The colorful divider lines for swimming pools are easy to recognize and blend perfectly into the pool, ideal for marking hazardous areas. 4.Wide Application The swimming rope is mainly used as a surface navigation aid. It is great for marking hazardous areas or swimming lanes and is mainly used in swimming pools, waterways, shallows, beaches, dangerous places, and more. Can also be used for gyms, private pools, oceanariums, landscape pools, and other large pools.