Thank you for your interest in this product! First, please note that I am unable to offer a discount. This is a set of three unopened packs of flat covered buttons from the Naunau Button series by Kiyohara Co., Ltd. Each pack contains 3 buttons and retails for 352 yen, making the total retail price for the 3 packs (9 buttons) 1056 yen. The color is gray and the size is 18mm. *This product is available for commercial use.* These are standard "flat covered buttons" (with a shank). Material/Ingredients: Outer fabric: Cotton / Body: Aluminum, Iron Body size: W18mm x H18mm Package size: W55mm x H90mm x D10mm The perception of the color may vary depending on the individual and the photo, so please refrain from purchasing if you are particularly concerned about the color. There are no pets or smokers in the household.