2.One-time forming, hollow in the middle, strong buoyancy, can float in water. 3.White and nylon braided rope, easy to identify in water, can clearly distinguish between waters. 4.Made of high quality nylon material, it is , wear- and can be used for a long time. 1.This product is a buoy for effective visibility. It is very suitable for dividing dangerous areas or swimming lanes. 5.It can be used as buoy line and safety buoy line in swimming pool, waterway, shoal and so on., Manufacturer: Mcnhbdgg