Fangrui Product Details Design - Periodic Groove Structure Enhances Both Functionality And Aesthetics; With Self-adhesive Backing Crafted With Premium Open Cell Foam And Unique Groove Structure, These Acoustic Absorption Foam Panels Are Excellent At Diminishing Room Reverb, Echo, Standing Waves, And Noise. When Applied To Walls And Ceilings, They Are Highly Effective In Cancelling Sound Reflections To Improve The Sound Clarity In The Space. Our Sound Proof Foam Wall Panels Are Flame Retardant, Odorless And Non-toxic. Their High Density, Durable, And High Resilience Design Ensures Long-lasting Performance. Besides, These Modern Wave Style Foam Tiles Are For Interior Wall And Ceiling Art Decoration Our Sound Dampening Foam Panels Are For A Wide Range Of Acoustical Treatments. For Recording Studios, Home Theaters, Offices, Music Studios, Gaming Rooms, Vocal Booths, Basement, Streaming Rooms, Living Room, Bedroom, And More. They Are An Excellent Choice For Podcasters, Youtubers, And Streamers To Create A Sup