Iron S-Wire Laurel Wreath Button for Button Fly Denim Pants, 501 Type. Button size for the button fly attached to the front bottom. 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? Product Name: S-Wire Iron Laurel Wreath Donut Button for Button Fly Small 10. Round Type Pins 10. Details: 13.9mm Button Fly Small 10 pieces Round Type Pins 10 pieces Material: Iron Country of Origin: 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 trouble. Please purchase with understanding. Will be shipped via Smart Letter. Please refrain from price negotiations.