This is a set of red and gold designed bowls. They appear to be made of plastic or a similar material, not ceramic. There are 10 bowls in total, consisting of 2 sizes x 5 sets. The larger bowls are approximately 13cm in diameter. The smaller bowls are approximately 11cm in diameter. These were found in a closet and I believe they were a gift. I opened some of the wrapping paper, and as far as I could tell, there were no scratches or signs of use. The outer box has marks from tape being removed and some damage due to age. There is a sticker on the corner of the box that says "Nami-matsu" (波松), though I'm not sure if this is a brand name or something else. Thank you for looking.