Product Description - Self-Adhesive Felt Acoustic Panels (12-pack, 40×30×1 cm) Elegant Grooved Design: The stylish grooved surface of the acoustic panels creates a modern and sophisticated visual effect while effectively reducing indoor echoes and sound reflections. High Sound Absorption Capacity: Made from high-density felt fabric, which effectively reduces noise. Ideal for offices, home theaters, home studios, or work environments with high demands on sound comfort. Soft and Comfortable Surface: The soft and comfortable felt fabric not only provides effective sound insulation but also offers a warm and soft feel, perfectly enhancing the wall's functionality and aesthetics. Durable and Environmentally Friendly: Made from environmentally friendly felt fabric. Lightweight and durable, the acoustic panels are suitable for long-term use in various indoor environments. Easy Installation: Easily installed via self-adhesive backing or optional fasteners, no drilling required. Suitable for walls and ceilings.