Ceiling Tile, Edge Type Square Lay-In, Grid Size 15/16 in, Overall Length 24 in, Overall Width 24 in, Ceiling Attenuation Class 33, Fire Retardant Class Class A, Light Reflectance 86 Percent, Noise Reduction Coefficient 0.55, Recycled Content 56 Percent, Texture Medium, Application Offices, Corridors, Color White, Coverage 64 sq ft, Features 30-Year Limited System Warranty Against Visible Sag, Mold, and Mildew, Durable, Material Mineral Fiber