AirZen Floor Tile Marble Place-and-Lay 18 tiles, approximately 1 tatami mat, thick 1.5mm, flooring sheet, flooring material, wood, floor sheet, adhesive-free, waterproof, suitable for rental properties, compatible with floor heating, tatami mats, stores, trays, DIY flooring, pet-friendly, suitable for shoes, beginner-friendly, remake sheet, scratch-resistant, 72 tiles (approximately 4 tatami mats worth) I ordered this on Amazon, but it didn't match my image, so I'm selling it. The packaging was opened carelessly, so I couldn't return it, and I'm selling it here. Therefore, it is completely new and unused.