Features:Installation method: firstly punch the material and then punch the four-button, wherein the panel and the female buckle are a pair, and the bottom buckle and the male buckle are a pair.Widely used in luggage, clothing, tents, handbags, shoes and hats, notebooks and other products.These snap buttons are made of pure brass,very durable. There are 3 sizes and 3 colors for you to choose from.Professional and practical design with beautiful appearance,also can be a decoration for your cloth.A set consists of 4 parts: panel, female buckle, male buckle, bottom buckle.Specification:Material:Brass10mm / 0.39in12.5mm / 0.49in15mm / 0.59inPackage List:50 set of Snap ButtonsNote:As different computers display colors differently, the color of the actual item may vary slightly from the above images.