-Closed cell black sponge neoprene that will not absorb smells, water or oil, and is dust proof, does not corrode -Also described as weather stripping or rubber sealing tape to block air, dust and moisture, and commonly used around door and window frames -Just peel back the liner to apply the strong and flexible neoprene adhesive side to metal, plastic, wood and other smooth surfaces -Used for fixtures, noise and sound insulation, padding, expansions joints of precast concrete and steel, HVAC and refrigeration, shock absorption, cushioning and sealing -Seal gaps fast - mess free around the home, office, garage, and warehouse -Easily cut to size with utility knife, and this compressed foam can withstand temperatures that range from minus 40 to plus 200 degrees Fahrenheit -Made of non-toxic materials, safe to use in the home, office or automobiles -Use on furniture, chairs, desks, for anti-skidding and added surface protection -Tolerance can be +/- 5% on thickness and width, rolls should not be shorter than stated length