Description This is a set of soundproofing mats, which are made of high-quality 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. They can improve sound clarity in home recording studios, video games, home offices or gyms. Features -Color: White. -Material:Wool chemical fiber. -Size: About30.00X30.00X0.90cm/11.79X11.79X0.35in. -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 a soundproof cover for walls, ceilings and doors. - They can improve sound clarity in home recording studios, video games, home offices or gyms. - They help to create a quiet environment for small and medium-sized rooms.Package list: 12 x Soundproofing Mats 1 x Box Pushpins