Iron S-Wire Laurel Wreath Button Set for Pants. The back pins are flat type. These are the same as those used by reproduction denim brands such as WAREHOUSE and TCB. Made of iron, they will rust and age. How about customizing your denim with these? Product Name: S-Wire Iron Laurel Wreath Donut Buttons - Large x 1, Small x 4, Flat Type Pins x 5. Details: 16.8mm for top button x 1, 13.9mm for button fly x 4, Flat type pins x 5 Material: Iron Made in Japan Condition: New, see images. Although new, there may be small stains or oversights, so please refrain from bidding if you are concerned or are a perfectionist, as this may cause problems. Please purchase with understanding. Shipped via Smart Letter. Please refrain from price negotiations.