Material: Takase Shell Sizes: As follows Buttons made from the core of the Takase shell. They are thick and shimmer in various colors, making them very beautiful. They have a strong presence even just used as an accent. The back is flat. Due to the natural material, there may be some unevenness. 20mm → 100 yen 18mm → 80 yen 15mm → 60 yen 13mm → 40 yen 11.5mm → 35 yen This is the price for 15 pieces of 13mm buttons. * The above price is per button. You can combine them with other sizes in your desired quantity. Please let me know in the comments. I will create a dedicated page for you. * Please ensure the total amount is 500 yen or more. * If you purchase a total of 1000 yen or more, you will receive a 10% discount.