Hard skin shells feature ultraviolet light absorbers for longterm life under the sun, and have a sandblasted finish which allows the buoy to be easily painted for identifying. Filled with EPS foam to positively displace water. Tubethroughthecenter design with blue reflective striping. Hardware not included. Threeyear flotation all hardskin buoys. Features. Built for maximum strength and endurance. Expertly crafted from the highest grade materials. Designed with great care and functionality in mind. Made in The USASpecifications. Color White/Blue. Diameter 18. Circumference 57. Tube Diameter 2.5. Material EPS foam