... .Color: any color according to customers’ needs. Size: (Inside Diameter * Total Height * Outside Diameter) Unit is mm 1.6*3*3 ... , flowering, etcplating, painting, oiling, silk screen printing, etc Inside Diameter * Total Height * Outside Diameter Unit is mm 1.6*3*3 ... and perfect after-sale service, thank you! eyelets ,metal button , garment accessory