Check the listing for details. Black Back Satin Sleeve Buttons Button Shank Tuxedo Suit Blazer Jacket Coat Tux. Color: Black, Condition: New. Listed at 1.45 USD. Add some flair to those Coat sleeves! Nice Blazer or Tuxedo!OrMaybe ya lost a button! Please don't try to "match" the other's These are real satin buttons made by a Tuxedo rental company. Buttons are made to stand up against the rigors of the rental business and should last you a life time. Buttons are your standard size Tuxedo coat sleeve buttons.Approximately 5/8" (16mm) Simply choose how many buttons you would likeand that's what I will send! :) Most coats look the best with 4 buttons per sleeve.From one button to 800 buttonsIf I don't have enough listedPlease reach out.I'll list as many as you would like! I give quantity discounts for 9 or more buttons purchased! These areShank Buttons with a Black Back! Don't get the silver back ones!People see that!