Quantity: 20 Tiles per Box Tile size: 24″ x 24″ Suited for either 15/16″ or 9/16″ (24 or 14 mm) grid SQUARELINE expanded metal ceiling tiles produce a chic, high-tech, modish interior look at an affordable cost. The tiles are manufactured using up to 55 percent recycled metal and easily fit within standard suspended grid systems.