Thank you for viewing! Made with 38mm walnut buttons. The back is felt-backed. The elastic can be replaced. I make each item with care, but please understand that these are handmade items and consider this before purchasing. Discount for multiple handmade items: 100 yen off for 2 items purchased 150 yen off for 3 items purchased 200 yen off for 4 items purchased 250 yen off for 5 items purchased Please note that discounts cannot be applied after purchase.