Sound absorption principle --- The design focus of the soundproofing board is sound absorption. Its high-quality polyester fiber material and porous structure can capture and absorb air vibrations in sound waves, effectively reduce sound reflections and echoes, and improve the purity and clarity of sound. Self-adhesive design --- The soundproofing wall panels have a strong self-adhesive backing, and no additional glue or tools are required during installation. Simply press the panel firmly against the wall to ensure full contact with the adhesive for a safer and longer-lasting bond. High-quality materials --- The soundproofing board is made of high-quality polyester fiber material and is durable. It is safe and non-toxic, with no unpleasant odor. It is suitable for adults, children and pets. Square and hexagonal soundproofing wall panels --- A combination of squares and hexagons to add beauty to your interior. It complements a variety of interior decoration styles, not only has a sound-absorbing effect, 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 soundproof foam panels are widely used for acoustic treatment of various spaces, including homes, offices, recording studios, home theaters, conference rooms, etc. Whether it is for personal use or commercial environments, it can effectively improve the acoustic environment, improve sound quality and comfort. About Removal: If you need to remove the soundproof panels, it is recommended that you heat them with a hair dryer before peeling them off. Coverage Area -- 12 pieces cover 11.6 square feet. Our soundproof panels are designed with a 45° bevel, which will not leave gaps when installed and remain beautiful.