Features: Experience noise reduction with our adhesive soundproof wall panels, featuring a high efficiency honeycombs design that absorbs and isolates external sounds effortlessly—simply peeling and stick for easy installation. These acoustic panels boast a 0.95 sound absorption coefficient, reducing noise by over 18 decibels in 20 square meter rooms, polyester fiber construction for long lasting performances. Ideal for households, schools, and office professionals, these noise reduction panels create a peaceful environment for enhanced focus, learning, and relaxation in any setting. Perfectly suited for cinemas, recording studios, kindergartens, and home theaters, they minimize disturbances and improve sound quality for immersive experiences. Crafted from user friendly and fire resistant polyester fiber, these honeycombs noise reduction panels ensures safety in public spaces while offering stylish designs to blend seamlessly with diverse decor. Specifications: Component: Polyester Fiber Color: Black/White/Gray Size: Approx. 71x36x0.4inch(182.88x91.44x1.02cm) Package Includes: 12x Soundproof Wall Panels note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.