Have you been bothered by noise for a long time, unable to concentrate or sleep? Our high density polyester fiber soundproofing board can effectively solve your problem. Made of 100% polyester fiber, the polyester fiber is dense and has uniform hardness, and its sound absorption performance remains constant. Helps reduce background noise, echo and reverb time (RT), as well as reduce standing waves and flotation. The sound insulation effect is better than sound insulation foam board; free of chemicals, wear-resistant and durable, safe for adults and children to breathe and touch. Large area soundproof panels can reduce echoes and noise in rooms, making them the perfect material for recording studios, instrument practice rooms, home theaters, live streaming studios and other environments. Decorative wall art that can be used for wall decoration, fashion design and classic striped patterns are your favorite space. There are several colors to choose from. Easy to cut and install. Replace the old soundproof foam board, with better visual and tactile effect. Our soundproofing panel includes 4 large soundproof wall panels, each with an area of 120 x 60 x 1 cm. A larger area can disperse more noise and eliminate echoes, providing better coverage for your space. Size (cm): 120 x 60 x 1. Brand: PAG-Mass Material: Polyester Fiber Colour: black, white. Package Included: 4 x Soundproof Panels If you have any quality problems with the product, please feel free to contact us by Amazon email at any time.