Sur-MarkTM and Sur-MarkTM II regulatory buoys are molded from tough UV protected polyethylene, and are closed cell foam filled to positively displace water. One-piece seamless construction, internal concrete ballast, recessed galvanized eye; both styles stand upright for storage. Color labels and solar LED warning lights (sold separately) fit both styles. Chain and hardware not included.
Three-year Flotation warranty on all hard skin buoys