Mizuhiki U-pins, Chirimen Craft Handmade Carefully made, but due to the handmade nature of the product, there may be slight scratches, distortions, and size differences. Also, there may be small stains such as glue overflow. For those who are concerned about the details, those seeking perfect products, or those who are sensitive, we are sorry, but please refrain from purchasing. Please refrain from purchasing if you have any concerns about allergies. The Mizuhiki is coated with a coating liquid.