Soundproofing Panels Self-Adhesive Sound Proof Panels for Walls 12 Pack Density
Coverage Area -- 12 pieces cover 11.6 ft². Sound Absorption Principle --- Sound proofing panels is designed to focus on sound absorption. Its high-quality polyester fiber material and porous structure can capture and absorb the air vibrations in the sound waves, effectively reducing sound reflection and echo, and improving sound purity and clarity.