Butsudan Kyouji 防炎 Mat Asuka, Wisteria Color, Ueoki L30 Butsudan Fire Prevention Buddhist Altar Mat, L Size Brand new, unused. Thank you. As it is for fire prevention, it is designed not to spread fire even if incense ash falls, and it is safe to place it under the incense burner. It also helps prevent ash from scattering and scratches, and makes the inside of the butsudan more colorful and stylish. Size: 12cm (length) x 30cm (width)