PEAK Herculiner Bed Liner Herculiner brush-on bed liner is a polyurethane based protective coating which is strong, durable, and bonds to itself for easy repairs. Virgin rubber granules premixed with polyurethane for skid-resistant textured surface. Known basically for a protective coating for pick-up beds, it can also be used for automotive undercoating, trailers, boat decks, terraces, decks, walkways, docks, ramps, pool decks, vinyl tile floors, and work areas. This coating can be applied to metal, concrete, wood, fiberglass, and most plastics, including PVC and rubber. 1 gallon of Herculiner coating is sufficient to cover one 6' truck bed. 8' truck beds will require 1 additional quart of coating. Black. Size 1 Gal., Pkg Qty 1, Package Type Box