1.This product is a buoy for effective visibility. It is very suitable for dividing dangerous areas or swimming lanes. 2.One-time forming, hollow in the middle, strong buoyancy, can float in water. 3.White and blue 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. 5.It can be used as buoy line and buoy line in swimming pool, waterway, shoal and so on. Colour:Blue+White Material:Plastic+nylon Package Contents: 1x Swim lanes line Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.