PIXNOR 50pcs Brass Star Jean Tack Buttons Kit 17mm - Army Green This is No Sew Metal Star Matte Jean Tack Jean Button Denim Cloth Button with Pin for DIY Sewing. Color: Army green. Material: Durable brass. Diameter: Approx. 17mm. All you need is a hammer for quick and easy button installation. It is suitable for jeans, denim clothing etc.