Magnetic Snap Buttons Quality Strong Clasp for Purse Sewing - Etsy
Amazon.com: 1st Choice Magnetic Button Clasp Snaps - Purses, Bags, Clothes - No Tools Required - Choose Small or Large Magnetic button size: 18mm
Invisible Round Magnetic Snaps
Round Thick Magnetic Snap, 18mm Diameter, Nickel Plate - Buckleguy.com
Amazon.com: EEEKit 20 Pairs Hidden Sew Magnetic Snap, Invisible Hidden Sew in PVC Hidden Purse Closure Fastener Magnetic Snap Magnet Fastener for Handbag Clothing : Home & Kitchen