Product details:

Permafloat Performance Dock Flotation is just one in a family of 50 different sizes of floats designed to offer durable flotation for new and existing dock systems. Permafloat floats feature seamless, rugged, rotationally molded construction using Linear Low Density Polyethylene, resulting in excellent resistance to salt water, fresh water, oil and gas. In addition, they are manufactured from material containing an embedded additive to resist both long- and short-term damage from UV light. Color Black.