Let Everyone Enjoy A Life Without Noise Acoustic Foam Made Of 100% Polyurethane Environmental Protection, Sound Absorption, Flame Retardant No Odor, No , No Formaldehyde Reusable, Washable, Non-deformed, Non-shrinking, High Density Containing Flame-retardant Materials Widely Used: Great For Processing Sound On The Walls Of A Studio Or Office.For Recording Studios, Control Rooms, Home Studios, Home Entertainment Centers,Home Offices TV Background Wall, Bedroom, Living Room, Baby Room, Professional Studio,Rehearsal Room, Concert Hall, Podcast, Church, Home Theater, Vocal Room, Home Studio, Office, Kennel, Etc... Easy To Shape And Cut To Size, Changing Them Not Affect Performance. Or Use It On The Ceiling, Door, Or Under The Rug. Colour:Red Material:polyurethane Size:30x30x5cm Package Contents: 12 * Acoustic Foam Panels Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.