1. Longlasting pool lane divider Made from highquality nylon/steel wire rope HDPE plastic buoy, durable and lightweight, strong buoyancy, environmentally friendly, wearresistant, UVresistant, reusable. 2. Safe and effective visibility The bright colors of the buoys are easily visible in the water and can clearly distinguish the deep and shallow ends of the pool as well as the swimming lanes. Ensure the of everyone while swimming. 3. Specifications for pool divider ropes Dimensions of each buoy: 10 cm x 7 cm (3.9 x 2.8). 4. Easy to install Secure both ends of the buoy line with our hooks to the wall anchors. After installation, it is very stable, does not come loose or fall off, and can be used for a long time.