I love snap buttons. Collect as many as you desire and then change out the look of your bracelet or earrings whenever you wish! Just snap the button out and snap in another! It's simple and so much fun
 
Turqouise sparklies on this snap button that looks like a stained glass window to me!
 
20mm alloy snap charm button fit snap button bracelets/earrings. Knob size 5.5mm.