Acoustic Foam Lg 6 Pack Room Kit - Wedge 2" 24" x 48" covers 48 sq Ft - SoundProofing/Blocking/Absorbing Acoustical Foam - Made in the USA! 6 Pack Special! 2" Thick x 24" x 48" Charcoal Color - Covers 48sq Ft High NRC Rating of .81 Made in the USA! Meets ASTM E84 Class A and California 117 flame retardant specifications Perfect for placing between monitors, behind TV's/Main Speakers/Side Reflections