TONOR 4PCS Acoustic Panels, 47.2\'\' x 23.6\'\' x 0.35\'\', Full Self-Adhesive Soundproof Wall Panels, Sound Absorbing Panels for Noise and Echo Reduction, Acoustic Treatment for Studio, Home, Office, Grey

• Superior Sound Absorption: Large acoustic panels, measuring 120x60cm, boast a high density of 212.2kg/m³ and an impressive NRC of 0.9. These panels significantly reduce reverberation and echo, effectively absorbing wall noise
• Easy Installation: With a unique self-adhesive design, soundproof panels have strong adhesive on the back. This allows for a simple peel-and-stick installation process, attaching easily to various smooth surfaces without the need for additional tape
• Customize Your Space: These sound-damping panels offer a beautiful leaf vein pattern that matches the actual product without color differences. They serve as decorative wall art and can be painted to meet your DIY needs. Add style and function to your space
• Safe materials: Our sound-absorbing panels are made from 100% pure polyester fiber and have an environmentally friendly adhesive on the back. They are flame retardant, odorless, and formaldehyde-free, ensuring the safety of everyone
• Sales service: Our packaging comes with reinforced corners to ensure protection during transportation. If you are unsatisfied with your purchase, our team of professional acoustic engineers will analyze your specific situation and provide a 2-year after-sales guarantee