These 4 piece fashion button snaps come in a set of 10. Snap them in place with a snap setting tool (a handheld or tabletop tool will work great for these).
Fashion Metal Snaps - KAMsnaps®
Shop Zipper Pulls * Idleblooms
KAM Snaps Buttons + Snap Pliers, Starter Fasteners Kit
Fashion button snaps - 10 pack
Shop Handbag Hardware * Page 2 of 4 * Idleblooms
I Like Big Buttons! Starter KIt - KAM Snap Pliers
10mm Snap Button Fasteners for Purse, Button for Leather 10 Sets A
Snap and Button Products Archives - YKK Americas
10mm Snap Button Fasteners for Purse, Button for Leather 10 Sets A
Unique Zippers, Zipper Pulls & Handbag Hardware * Idleblooms