Although there is a slight stain on the back, I've listed it as "Like new" because it hasn't actually been used, and there are no thread marks. It is a natural material. Height: Approximately 7.8mm I am an individual seller, so If there is any missing information or if you have any questions, I will add more photos or take measurements. Please feel free to ask. Please confirm everything before purchasing, and I kindly request that you refrain from canceling after purchase.