Dritz 9-38 No-Sew Dungaree Buttons, Antique Brass, 5/8-Inch 4-Count
Tack buttons (or bachelor buttons or dungaree buttons) are best described as the button used on Levi-brand jeans. It attaches like a snap with tension but is typically used in conjunction with a buttonhole. Tack buttons bachelor buttons and dungaree buttons are interchangeable.