TMS brand MLV is a high quality vinyl barrier for use to block sound between Walls, Ceilings, Floors, Automobiles, Machinery, Pipes, HVAC and more. Our Mass Loaded Vinyl is manufactured in the USA, is strong and has no odor. This Mass Loaded Vinyl Barrier is a one pound barrier, weighs 1 pound per square foot. It is an 1/8 of an inch thick and has an STC rating of 27 when hanging by itself. Color is black. Thickness - 0.125" Tensile Strength - 1350 kPa min Tear Strength - 4500/m (26 psi) - Easy to trim with a utility knife or heavy duty scissor