Lovmoment Watch Round Snap Button Charms Interchangeable Jewelry Quartz Face Watch (Black) Quantity:1pcs snap. Weight:9 g Meas:24.4*11.6 mm Application - Compatible with 18/20mm size buttons snaps accessories. Interchangable - Colorful time, so that you have a different color every day to show their own personality. Size - 18-20mm - Fit snap fastener 5.5mm. Brand - Lovmoment snap buttons jewelry making