Double-Layer Soundproof Structure: These 47.2" x 23.6" x 0.74" acoustic panels feature double-layer thickened sound-absorbing material, boasting a high density of 212.2 kg/m³ and an impressive Noise Reduction Coefficient (NRC) of 0.9. They effectively disperse echoes and dampen noise, delivering a superior acoustic experience while outperforming single-layer panels in sound absorption Easy to Install: These self-adhesive sound dampening panels feature a strong adhesive backing, allowing for a simple peel-and-stick installation. They attach easily to various smooth surfaces without requiring additional tape Stylish Decoration: These soundproof panels feature a classic stripe pattern, allowing them to double as wall decor while delivering acoustic performance. Ideal for spaces like studios, living rooms, bedrooms, and home theaters, they can be easily cut to fit different room sizes. Additionally, their larger surface area enhances noise dispersion and echo elimination, providing superior sound control and broader coverage for an optimized experience Premium Material: Crafted from high-density polyester fiber and wood veneer, these acoustic wall panels prioritize safety for every family member. Non-toxic, odor-free, and free from harmful emissions, they're completely safe to breathe around and touch—making them an ideal choice for healthy, everyday use in your home Edges Protection: Larger sound absorbing panel comes with reinforced corners to ensure protection during transportation