Ceiling Tile, Edge Type Angled Tegular, Grid Size 15/16 in, Overall Length 24 in, Overall Width 24 in, Ceiling Attenuation Class 35, Fire Retardant Class Class A, Light Reflectance 85 Percent, Noise Reduction Coefficient 0.6, Recycled Content 56 Percent, Texture Fine, Application Libraries, Music Rooms, Color White, Coverage 48 sq ft, Features 30-Year Limited System Warranty Against Visible Sag, Mold, and Mildew, Material Mineral Fiber