48 Pack of (12 x 12 x 2)Inch Acoustical Pyramid Foam Panel for Soundproofing Studio & Home Theater (Charcoal) 48 Pack of (12 x 12 x 2) Inch Acoustical Pyramid Foam SPECIFICATIONS: Quantity = 48 Pack of Pyramid Acoustic Foam; Panel Size = (12 x 12) Inches; Panel Thickness = 2 Inch; Available Colors = Charcoal, Red, Orange, Rosy Beige, Brown, Burgundy, Blue, Purple, Plum, Teal, Kelly Green, and Forest Green; Overall NRC: 0.45 DESCRIPTION: 2 inch pyramid foam is effective against standing waves and flutter echoes in most small-to-medium sized rooms like vocal booths, control rooms and studios. It also functions as a full-frequency bandwidth absorber for any size room when used in conjunction with corner bass absorbers and male/female broadband absorbers. Flammability Test Results: Class A; 25 Flame Spread Index; 250 Smoke Spread Index FREE SHIPPING: This item ships by UPS Delivery time is usually 7 to 12 business days from purchase date. Please allow 5 to 7 business day for tracking to update. Our Acoustical foam products are cut and packaged at the time of order in order to provide a top quality product. Acoustical foam that is packaged for long periods can become deformed over time.