Mybecca 1 TILE (2PCS) Premium Acoustic Wedge Design Panel Studio Soundproofing Foam Wall Tiles 12 x 12 x 1 Made in USA Color: CHARCOAL; NOTE: 2 (PACK) WEDGE = 1 TILE Size: 1" x 12" x 12" ; Noise Reduction: 80-90% Eliminates Standing Waves And Flutter Echoes; Reduces Unwanted Reflections; Reduces Unwanted Reflections Good for studios, recording studios, vocal booths, control rooms. Product Care: Occasional Vacuuming of Dust