Wall self-adhesive soundproof sponge $ 7.45 Product name: Mushroom head sound-absorbing cotton Product material: environmentally friendly polyurethane sponge Product thickness: 5cm Product color: blue red yellow purple gray black Product specifications: 50cmX50cm Product features: soundproof and sound absorbing interior decoration DIY to improve sound quality Product scene: piano room bar KTV drum room music room movie theater live hall factory Equipment and other sound and noise reduction Note: The size is measured manually, there may be an error of about 1cm~2cm, which is a normal phenomenon, please refer to the actual product
