Specification: Item Type: Lane Line Weight: 700g/24.7oz Product Material: PVC Length: 5m/16.4ft Diameter: 7cm/2.8in How to Use: 1. Soak the swimming pool lane ball in clear water for a certain time to make the fully foaming; 2. Fix the pool lane line ball on both ends of the pool in equal distance according to the desired lane, and tighten the two ends of the pool; 3. Adjust the spacing of the pool lane and make final adjust. Package List: 1 x Lane Line Note: 1. Before operation, ensure that the water surface of the pool is dry and freeware of greasy and debris; 2. Avoid sharp objects or swimming equipment with sharp edges attached on the in the pool lane to prevent damage to the ; 3. After use, it should be cleaned and returned for proper storage.