1.This product is a buoy for efficient visibility.It is very suitable for dividing dangerous areas or swimming lanes. Training 2. One-Time, Hollow In The Middle, Strong Buoyancy, Can Float In Water. 3. A braided white and blue nylon rope, easy to identify in the water, makes it possible to clearly distinguish the waters. 4. Made of high quality nylon, it is durable, wear resistant and can be used for a long time. Features: 1.This product is a buoy for efficient visibility.It is very suitable for dividing dangerous areas or swimming lanes. 2.One-Time formation, hollow in the middle, the strong buoyancy, can float in water. 3. A braided white and blue nylon rope, easy to identify in the water, allows the water to be clearly distinguished. 4. Made of high quality nylon material, it is durable, wear resistant and can be used for a long time. 5.It can be used as a buoy line and a lifeline. safety buoy in swimming pools, waterways, shoals, etc. Specification: Condition: 100% Brand New Item Type: Pool Lane Line Material: Nylon, ABS Weight: approx. 700g / 24.7oz Length: approx. 5m / 16.4ft Package list: 1 x pool lane line Note: 1.Please allow 0-1 inch error due to manual measurement.Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.