Material: Black shell Size: 18mm Due to the natural material, there may be some unevenness. This is the price for 14 pieces. * One piece costs 45 yen. You can combine them with other items in any quantity you like. Please let me know in the comments. I will create a dedicated page for you. * In that case, please make sure the total is 500 yen or more. * If you purchase a total of 1000 yen or more, you will receive a 10% discount.