· Acoustic Treatment: Our premium acoustic wall panels It minimizes reverberation and echoes, has excellent sound absorption coefficient and NRC grade, remove sound impurities, effectively improving your sound environment and quality. Stay away from acoustic foam and we will provide you with quality acoustic treatment.· SIZE & QUALITY MATERIALS: There are 8 packs in total,the total size is 48"x32" and each piece is 12"x16" and 0.4" thick. our art sound-absorbing panels are made of polyester fiber by hot pressing, flame retardant, pollution-free and lightweight. Provide you with a acoustic experience integrating sound absorption, decoration and safety.· MODERN DECORATION: While improving the acoustics of the room, acoustic panels can also act as wall art to decorate and beautify the space. It can be used in living room, bedroom, study, conference room, music studio, recording studio, KTV, classroom, meeting room, office, home theater, etc.· EASY TO INSTALL: Can be self-adhesive with double-sided tapes, easy to install to flat location, no need to hire someone to install it! We'll give you extra tapes in case you need them.· Note: Whether you have any questions before or after the purchase, you can reach us and we will provide you with excellent service to solve the problem. If you want to customize, you can reach us before you buy.