The pack features Material 100 Percent Brand New Pyramid Acoustic Tile Foam and Imported High-Quality Foam Measurements 25cm X 25cm X 5cm (9.8 in X 9.8 in X 1.9 in) per piece. Pyramid Acoustic Foam Tile Color RED and BLACK Nonflammable. Highly fire retardant Improves vocal clarity and acoustics of your room. Great for spot-treating walls in your studio, office, recording studios, home theaters, and karaoke rooms.NOTEThe item is in highly compressed vacuum packaging when the item is delivered. Take apart the product and leave it in a wide space open air for over 23 days so it will automatically recover back. If the item is not recovered perfectly, you can pull it gently by hand. Bundle. Set Includes12 (RED) Pieces of Arrowzoom Pyramid Acoustic Foam Tile Panel 12 (BLACK) Pieces of Arrowzoom Pyramid Acoustic Foam Tile Panel4 Pieces of Arrowzoom Easy Double Sided Adhesive Mounting Sticky Tabs.Tapes1 Arrowzoom of Pyramid Acoustic Tile Foam Installation Guide New OPTIONAL Services OfferedBass Trap Acoustic Foam Tile It usually builds up pretty heavily in the corners. Please COPY.PASTEamzn.to.1YsXWPD and search on your browser. Wedge Acoustic Foam Tile It is the most common Acoustic Tile Foam, this foam can be aligned perfectly with the next piece to provide professional installation. Please COPY.PASTEamzn.to.1Q73IoMand search on your browser.MORE Acoustic Foam Styles Add more acoustic foam designs to your room. Please COPY.PASTEamzn.to.28OObWGand search on your browser.