61"H x 9" dia.
Filled with closed-cell foam
Sur-Mark II regulatory buoys are molded from tough UV-protected polyethylene and filled with closed-cell foam to positively displace water. Feature one-piece seamless construction, internal concrete ballast, recessed galvanized eye, and brightly colored, fade-resistant labels. 15-lb. buoyancy. 61"H x 9" dia. Visible 37" above waterline. Three-year flotation warranty.