Made by Yatomi Co., Ltd. Gororin Mat 36-piece set I counted them, and the number of pieces was as stated in the instructions. There are no missing pieces. I've only used about half of the pieces, so the other half are like new. They are resilient and I think there are no problems with use. I will ship them in the original box they came in. Please refrain from purchasing if you are concerned about used items. 14mm thick checker pattern joint mat, a combination of brown and beige. - Colors: Brown, Beige - Size: 14mm thick - Design: Checker Pattern - Product Name: Gororin Mat Thank you for looking.