16 beige tiles and 16 brown tiles, 32 tiles total, for a 6-tatami mat area. Size: approximately 58 cm per side, 1 cm thick. Formaldehyde-free, compatible with floor heating. Manufacturer's product code: jh001-bb. Purchased several years ago and stored in a closet. Unopened, brand new in the original cardboard box, but the box is slightly damaged.