Standard polyurethane foam pin 200x100 cm thickness 45 mm density 33kg per m3. The pins present on this foam optimize the absorption capacity of the surrounding noise. Its unique shape allows it to increase the sound reception capacity and so reduce the maximum noise Polyurethane foam used for the manufacture of this product is self - extinguishing. Features: Colour: Grey anthracite (contact us for other colors) Thickness: 45mm Density: 33 kg / m3 Format: 200x100 cm Acoustic correction (absorption) of a part or a local music studio, etc. Property: Absorption and acoustic correction easily compressable, soft and comfortable to the touch of air tightness, durability Foam Packaging: soundproofing foam comes in a neat package for transport. To purchase a quantity greater than 1 meter, sending will be done according to the chosen length (For example, if you buy 2x1 meter, a length of 2 meters will be shipped).