High Density Acoustic PanelsBrand NewColor: Charcoal GrayTile Size: 15: x 11" x .48"Number of Tiles: 6 High Quality, High Density - The 0.48” THICKENED high density polyester panel with beveled edge provides better noise reduction results. It absorbs sound frequencies between 125 to 4000 Hz with an NRC (Noise Reduction Coefficient) as High as 0.95 in lab testing. Noted that in order to reach the best sound absorption result, combined treatment with partition wall will be needed.Safe - FR (Flame Retardant) B1 Classification material helps Prevent Fire. Soft and High Elasticity material can withstand great external force. Keeps your room silent and safe.Eco Friendly - Grade E0 Formaldehyde Emission Standard. An odorless, recyclable, and environmentally-friendly panel with high safety.Wide range of product application – recording studio, home theater, office, study room, library, children’s room, dance hall, concert hall, gym, and more.Simple - Easy installation, maintenance, cleaning, styling, and removal. I ship items out EVERY DAY so EXPECT a QUICK delivery!Please feel free to ask any questions you may have. I answer most questions quickly! Return Policy: If you are not satisfied with the item I will gladly accept the return within 15 days (buyer pays return postage). Please do NOT remove the tags until you are satisfied with the item. All tags and labels must still be on the item and all packaging saved. All original parts must be returned. If you remove the tags on a new item or do not include all parts, we will not be able to process the return. New Items Added Daily! Check out my store to see what’s new. Visit Moving It Outlet Location: ST01 - 2102