The Taylor Made Sur-Mark Regulatory Buoy is molded from tough UV-protected polyethylene and filled with closed-cell foam to positively displace water. One-piece, seamless construction includes internal concrete ballast and recessed galvanized eye. Buoy stands upright for storage. Color labels and solar LED warning lights are sold separately. Chain and hardware are not included. SpecificationsStyle: Sur-MarkHeight: 49"Column Diameter: 10"Large Ring Diameter: 18"Approx. Buoyancy: 40 lbs. Visibility Above Waterline: 39"NOTE: Color labels and warning lights are sold separately. One-piece seamless construction with internal concrete ballast Recessed galvanized eye Color lables and warning lights are sold separately | Sur-Mark Regulatory Buoy without Label, White