TMS Reinforced Mass Loaded Vinyl 54" X 30' 135 sq ft 1 Lb MLV Acoustic Barrier Reinforced Mass Loaded Vinyl with high strength poly fabric Made in the USA - Ships from multiple locations throughout the US Perfect for Condos, Apartments, Studios, Classrooms, Medical Facilities and more Used as a free hanging acoustical curtain panel 1/8 of an inch thick - 27 STC