HARD SKIN SUR-MOOR MOORING BUOYS have thick one piece outer shell molded of high density polyethylene filled with solid closed-cell foam. Puncture proof and almost indestructible. Fittings, swivels and rings are hot dipped galvanized for added years of service. Three year warranty. Diameter - 24 Inch. Buoyancy - 240 pounds. Shape - Round. Blue Stripe. Ships as 70 pounds due to size of box 24 x 24 x 24. Box really weighs 23 pounds. MOORING BUOY,12"BLUE STRIPE MOORING BUOY,15"BLUE STRIPE MOORING BUOY,18"BLUE STRIPE MOORING BUOY, 24 Inch, BLUE STRIPE