This is a Sumikiri tray purchased from Ashiya Kikacho-to-ke. Size: 33 cm (length and width) Set of 4 trays. Color: Black Photo 2: Front Photo 3: Back Stored on a shelf since purchase and never used. One tray's plastic wrapping has been discarded, but the others are still in their bags. There is no original box. If you have any questions, please contact me in the comments before purchasing.