Sound Absorption Principle --- Engineered with acoustic panels soundproofing in mind, our soundproof panels utilize premium polyester fiber and a porous structure to trap airborne vibrations, minimizing echo and reverberation. Ideal for wall sound proofing, they enhance audio clarity by reducing reflections. Self-Adhesive Design --- Featuring sound proofing panels self adhesive backing, these sound proof panels for walls require no tools or extra glue. Simply press firmly against surfaces for instant adhesion. For removal, gently heat with a hairdryer to release. Premium Material --- Made from high-quality polyester fiber material, the sound absorbing panels is durable and wear-resistant. Squares & Hexagons Acoustic Wall Panels --- A combination of square and hexagonal shapes, it adds beauty to your interior. It complements a variety of interior decorating styles and not only provides sound absorption but also enhances the visual appeal of the wall. It can be cut and assembled into different shapes, allowing for customizable and personalized wall designs. Wide Application --- Self Adhesive acoustic foam panels is widely used in acoustic treatment for various spaces, including homes, offices, recording studios, home theaters, conference rooms, and more. Whether for personal use or commercial settings, it effectively improves the acoustic environment, enhancing sound quality and comfort. About Disassembly: If you need to dismantle the sound insulation board, it is recommended that you heat it with a hair dryer before peeling it off. Coverage Area -- Perfect for sound proofing for doors, home theaters, studios, offices, or noise cancelling wall panels applications. 12-pack covers 11.6 ft².