Taylor Made Products Dock Floats, Tough Shell, EPS Foam Filled Made in the USA from 50% recycled polyethylene, 8 year floatation warranty Seamless, UV-resistant black polyethylene shell filled with EPS foam Tough outer shell resists impacts and protects the foam core from saltwater, gasoline and most chemicals Thick mounting flange can be drilled to accommodate attachment fasteners for easy mounting to any dock design Constructed with ventilation holes that let air in and keep water out Not designed to attach to each other