Soundproof Foam Professional Acoustics Foam 1.5" Acoustic Foam Egg Crate - 1-1/2" 72" X 80" Covers 40sq Ft
1) 1-1/2" Thick x 72" x 80" Charcoal Color - Covers Approx 40sq Ft High NRC Rating of .67 Made in the USA! Excellent For Speaker Cabinets - Studio's & More!