Amazon.com: 120 Sets 3 Sizes Sew Snap Buttons Metal Snap Fastener Buttons Press Button for Sewing Clothing Silvery (8mm 10mm 13mm)
Help finding quality snap buttons : r/Leathercraft
50 sets Metal Spring Snap Fastener Press Stud Snap Buttons Cap Size 10/12.5/15mm | eBay
10.5mm Pearl Snaps Fasteners Pearl-like Prong Snaps for Western Shirt Clothes Washable Buttons 20 Pack - Etsy
PRYM Small 4GB S Spring Press Studs, 15mm Brass Snap Fastener Matt Black Plastic Cap No-Sew Buttons for Clothing, Wallets, Clutches, Jackets, Handbag, DIY Leathercrafts, Silver, 50pcs - Walmart.com
Amazon.com: Kenkio 200 Sets 10 mm Sew-on Snap Metal Snaps Fasteners Press Studs Buttons for Sewing Clothing, 4 Colors : Arts, Crafts & Sewing
Amazon.com: CRAFTMEMORE 50 Sets Silver Snap Buttons S-Spring Socket Popper Fasteners for Jacket Bag Closures #633 VT5 (12mm (0.47"))
Metal Snap Button Kit - Snap on Buttons with Snap Fastener Tool for Se – MudraCrafts
Amazon.com: 100 Set Snap Fasteners Leather Snaps Button Kit Press Studs with 4 Pieces Fixing Tools, 12.5 mm in Diameter