12 Pack of (12x12x2)Inch Acoustical Pyramid Foam Panel for Soundproofing Studio & Home Theater-Charcoal Grey by ShopBox&reg; Specifications: Quantity = 12 Pack of Pyramid Acoustic Foam; Panel Size = (12 x 12) Inches; Panel Thickness = 2 Inches; Foam Color = Charcoal Grey; Overall NRC: 0.45 12 Pack of (12 x 12 x 2) Inch Charcoal Color Acoustical Pyramid Foam 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 Please allow 5 to 6 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. SHIPPING: This item ships by UPS Delivery time is usually (6 to 10) business days from purchase date. Sorry no PO Boxes ** **RETURNS: ShopBox items that are purchased may be returned within 60 days of receiving them for either a refund, replacement, or a exchange. ShopBox items can be replaced or exchanged (pending product availability). If there's an error on our part related to your order, we will issue a credit for your order and any applicable shipping. Otherwise ShopBox is not responsible for return shipping cost. Please contact us through Amazon before any returns are made.