1. Pool Safety RopeOur line of ropes are designed with the security of your family and in mind. Use this kit to separate the shallow and deep end of your pool to easily distinguish depth change. Can also be used to create swimming lanes for practice and races. The bi tone buoys are easy to see and are ideal for delineating dangerous areas or delineating swimming lanes. 2. MaterialThe rope is made with durable nylon material designed, and buoys are made of a very hard polyethylene plastic, light weight, strong buoyancy, very stable. They don't crack from exposure and fade to sunlight and water, and can be used for a long time. 3. Product Parameter1m/3.3ft buoy line has 2 buoys, each buoy length: 10cm/3.9in, width: 7cm/2.8in. The rope can suit the needs of you and your pool, while the integrated floats can be shifted or removed to create an effective visual perception for swimmers. 4. Wide ApplicationThe float line is mainly used for surface navigation aids. It is great for sectioning off hazardous places or swimming lanes, mainly used in swimming pools, waterways, shoals, beaches, dangerous places, etc. Can also be used for gymnasiums, private pools, oceanariums, landscape pools, and other large pools.