10PCS Office Acoustic Panels, Hotel Decoration Sound Absorbing Cotton High Density Sound Absorption Soundproofing Foam 10PCS (Red) (Black)

Function: Reduce the reflection interference of sound waves in the room, optimize and improve the purity of sound, and make the sound clearer Color: Black, Purple, Yellow, Red // Size: 30 x 30cm // Thickness: 5cm // Quantity: 10;