***********Instant purchase OK if you have no questions*********** Rippuya Diatomaceous earth coaster set of 3 Probably milky brown *The back is cork. Size: Approximately 10cm in diameter, approximately 5mm thick I left them in the cupboard without using them. Please understand that these have been in someone's possession and stored at home before purchasing. ******Selling Price******************************* The selling price is the total of the product price + shipping fee (Yu-packet Post) + 5 yen for the special seal + 10% commission.