⭐[EXCELLENT ACOUSTIC TREATMENT SOLUTION] Our acoustic wall panels have excellent absorption coefficient and NRC, which can easily and effectively reduce reverberation and echo, noise reducing for walls. Effectively improve your sound environment and quality. ⭐[UNPARALLELED DESIGN] The modern and artistic style allows our acoustic wall panels to beautify the entire space while improving room acoustics. Perfectly suitable for living room, home theater, personal studio and other environments. ⭐[EASY TO INSTALL] It can be easily installed using 3M spray adhesive or 3M VHB double sided tape (Included). No need to hire someone to install, you can easily do it at home. ⭐[ECO-FRIENDLY & FIRE-RETARDANT] Acoustic panels are made of 100% polyester fibre, recyclable, lightweight, semi-rigid, insulation and excellent fire resistance property. It is better than sound absorbing foam in all aspects. ⭐[WIDELY USAGE] Acoustical panels is excellent material for interior absorb noise. Use the Olanglab Acoustic panels in rooms, home theaters, office, school and auditoriums to achieve a quiet space.