Lindy Marker Buoy - Mark a hot spot and find it again at a glance! The Lindy barbell design features internal ballast weights for resistance to 'walking' in wind or current. This high-impact styrene marker includes the weight and 60 feet of rot-proof cord. Barbell design has internal ballast weights Internal weighting resists walk-away in high winds Each Buoy includes the weight an 60 feet of rot-proof cord