Vevor Interlocking Garage Floor Tiles, Model GYDB-51.5x51.5x0.5-G, includes 16 tiles in gray diamond plate pattern. Each tile measures approximately 20.2 x 20.2 inches x 0.2 inches thick. Tiles snap together without adhesive and are designed for garage floors, workshops, basements, and utility spaces. Made from heavy-duty polypropylene with a raised diamond plate surface for traction and durability. No damage or missing pieces reported; item is like new and in original box.