Check the listing for details. Jean Fly Button (4/12pcs) — Zinc Plated Steel Donut — Made in the USA. Color: Silver, Condition: New. Listed at 4.00 USD. Includes either 4 or 12 donut buttons A jean with a normal rise uses 4 buttons, while one with a low rise uses 3. This is the SMALLER button used on the fly of a traditional button-fly jean. Note that the top button on a pair of jeans is LARGER than this button; and in a different listing. Zinc plated steel was used on the original vintage Levis jeans. Zinc has a very faint milky-white finish that becomes more cloudy as it patinas. Guide to attach this button using common tools: imgur.com/a/I4wv5UI ** If the imgur.com images aren't showing up, try: imgur.com/beta/disable. Imgur is experimenting with a new version of their site— and it doesn't work on every browser. So this link returns you to the original version (that works everywhere). Button Width = 13.4 mm (17/32 in) Button Total Length = 5.5 mm (7/32 in) Button Stem Length = 3.1 mm (1/8 in) Tack Width = 9.5 mm (3/8 in) Made in the United States— in the same factory that produces the hardware for 'Levis Vintage Clothing' (LVC).