UPGRADED ACOUSTIC PANELS: what you will receive are 6 pieces of moon art wall panels, designed in 6 different patterns in the theme of sun and moon, mainly colored in black and shaped in rhombus; Be different from other acoustic panels, We have upgraded their acoustic performance and their appearance. The acoustic panels absorb unnecessary sound and play a good role in decorating the wall. SELF-ADHESIVE & EASY INSTALLATION: There is a self-adhesive tab covering the entire back of our soundproof panels for walls that can easily stick to any smooth surface. If you want to better protect your wall surface, we suggest not peeling off the adhesive backing and using nano tape to stick these soundproofing panels. BETTER ACOUSTIC TREATMENT: Our acoustic wall panels are 9.4 lb/ft3 density, noise reduction coefficient: >0.92 and absorption coefficient: 0.8, which means can exceptional sound absorption, improving speech intelligibility, minimizing reverberations an