Dritz Snap Fasteners, Size 15 - 3/8", 12ct, Nickel

3/8 inch (9.5mm) silver snaps, recommended for blouses and shirts, but can be used for other applications as well.  Use with two layers of light to medium weight fabric reinforced with interfacing for best results.

Can be put together by placing the snap under a thread spool and hammering with firm pressure.