* Cash on delivery. * Shipping is not available to remote islands, Okinawa, Kyushu, and Hokkaido. Ceiling panel material. Yoshino Gypsum Rectangular Color = White, 8 sheets 300 x 600 x 9 * The box says it contains 18 sheets, but it only contains 8 sheets. * Image 2.5 shows an example of installation. * These are new panels used when the ceiling was replaced in 2024 and will be discontinued. * The cardboard packaging has been opened for inspection and is torn. * The panels will be wrapped in bubble wrap and then plastic. Please understand.