The Armstrong 1911A Ultima Ceiling Tile is a 24-inch square ceiling tile designed with a beveled tegular edge. Made of mineral fiber material, it features excellent sound absorption and is washable, making it suitable for ceilings. This white ceiling tile, weighing 49.8 ounces, comes in a pack of 12 and is suitable for various spaces in need of smooth and non-directional design. Originating from the US, this ceiling tile from the Ultima series offers a Class A rating for both fire resistance and noise reduction.