VEVOR 18 Pack Acoustic Panels with Self Adhesive, 11.8 x 11.8 x 0.4 inch Sound Proof Foam Panels, Polyester Fiber Soundproof Wall Panels High Density, for Home, Studio, Office, Theater, Black

Efficient Sound Absorption: Made with high-quality polyester fiber, our large-sized, high-density panels cover more area. With an NRC value of up to 1, they effectively absorb mid- to high-frequency noise, reduce echoes and reverberation, creating a quiet and comfortable environment for you Self-Adhesive Design: The back features a self-adhesive design with 3M strong adhesive, ensuring it won't peel off easily. Installation requires no tools, making it quick and easy, significantly saving installation time Reliable to Use: Our acoustic foam panels are made with carefully selected safe materials, no bad smell, and meet green E0 standards, ensuring safety for both breathing and skin contact, giving you peace of mind while using it Wide Application: Suitable for various places such as homes, offices, meeting rooms, recording studios, cinemas, schools, etc., meeting your different soundproofing needs Flexible Use: Featuring a 45° bevel edge design, our panels fit seamlessly without gaps. Made from easily cut polyester fiber, they can be DIY-ed into various shapes. Each box contains 18 pieces, allowing you to create a personalized space to your liking