5x3mm, with 1mm hole.  High quality silver plated over lead-free pewter.  Made in USA by Tierracast. Price for one beadcap. The My Valentine Necklace includes the following Tierracast components: Floral Heart, Oasis Bail, Oval Jump Ring, Petal Beadcap, Heirloom Clasp Set, Swarovski 6mm white pearls.