Snap fastener is used to button various parts of garments. It has to be sewn on. Consists of two parts.
Size 1 diameter: bottom part with the spring 8.5 mm, 8 mm top part with ball.
Size 2 diameter: bottom part with the spring 10 mm, top part with ball 9 mm. On one card are 6pcs of snaps.
Sewing - other