DescriptionThis is a soundproofing panel, which are made of high-class materials, durable and can be used for a long time. These sound insulation boards are denser, thicker, and more uniform, which produces more sound absorption effects.Features-Color:Grey -Material:Polyester fiber -Size:30.00X26.00X8.00cm /11.79X10.22X3.14in- These sound insulation boards are denser, thicker, and more uniform, which produces more sound absorption effects.- Sound absorbing material reduces the reflection of the sound produced in the room and attenuates the sound.- These soundproofing boards can be used as soundproof boards for walls, ceilings and doors.- They help to create a quiet environment for small and medium-sized rooms.- Sound absorption and noise reduction, safe and environmentally friendly, very practical.