6 Pcs. Acoustic Foam 2" Wedge Style 2' X 4' X 2" - B-stock (48 Sq. Ft.) Acoustic foam 2" thick wedge style (48 Sqft) Color: Charcoal Grey Size: 2' x 4' X 2" (6 Pcs.) Overall NRC: 0.65 Made in the USA!