Arrowzoom Wedge Tiles Series Acoustic Foam - Black x Blue Bundle - KK1134 Size:24 Pieces - 50 X 50 X 5 cm / 20 x 20 x 2 in (US & metric) Match width

(US & metric) Match width to your window plus 6 in (15 cm) on each side for full light seal

If it doesn't cut the echo and tighten your audio

Cleanstraight edges

YES-adhesive: peel & press firmly 30 sec

and other features of a room to control noise levels

Arrowzoom Wedge Tiles Series Acoustic Foam - Black x Blue Bundle - KK1134 Size:24 Pieces - 50 X 50 X 5 cm / 20 x 20 x 2 in (US & metric) Match widthTame echo, flutter, and harsh reverb in any room in about 20 minutes. Peel the backing, press the tile, done. No drilling, no contractor, no mess. Why KK1134 beats generic wedge foam Density 0. 83 heavier, more absorbent than the 0. 5 "craft foam" most sellers ship 8 colors 2 sizes most competitors offer 12 colors and a single size Optional pre applied self adhesive no separate tape, glue, or spray Fire retardant self extinguishes on contact; safe for