Taylor Made® Sur-Moor T3C Mooring Buoy 24" Diameter With 2.5" Tube. The hard skin one-piece polyethylene shell features ultraviolet light absorbers for long-term life under the sun and have a sandblasted finish which allows the mooring ball to be easily painted for identification. Filled with closed-cell foam to positively displace water. The tube-through-the-center design allows the boat anchor chain to pass directly through the mooring buoy, allowing you to attach your boat to the top of the mooring ball. Hardware not included. Flanged collar made from rigid PVC tubing. Blue stripe is reflective for nighttime visibility. Approximately 240lbs of buoyancy.