- 18mm
-
Approx:18mm( 6/8") Dia. Thickness: 11mm( 3/8") - 12mm( 4/8")
1 inch = 25.4mm or 1mm = 0.0393 inch - The Size of Snap Fastener:5.5mm( 2/8") Items is mixed randomly, the ones you get may not include all colors in the pictures.
- necklaces and bracelets available in separate listing