For those unfamiliar with Zamac Buttons (also known as Zamak), they are buttons made with a base metal of zinc and combined with other alloying elements such as aluminum, magnesium, and copper. These particular metal buttons are strong and contain the look of class as well as sophistication flawlessly. Complete with a raised, striped, textural surface with a silver rim backed by a black shank, this grouping of zamac buttons would be great for suits and blazers. Available various sizes including 15mm, 21mm, and 23mm.