WARNING - Mooring lines must never be tied to the top loop. Mooring lines should always be attached to the anchor chain. Hot dipped galvanized steel, sandblasted finish allows the buoy to be easily painted for identifying Blue stripe is reflective for nightime visibility 30 lbs buoyancy, the maximum flotation the buoy provides while fully submerged, 50% of this value will be the weight the buoy can support at the level of the blue stripe Three year flotation warranty MODEL NO - 22170