Lucky Feather Silver Plated Bling Birth Month Charm - Red -July 1/4" diameter; about half an inch with charm loop Designed to fit Lucky Feather Charm Builder necklaces and charm bracelets flat satin silver plated with rhinestone for birth month color Will NOT fit Pandora style charm bracelets. Designed for Lucky Feather Charm Builder bracelet or necklaces (available separately) Several different birth month charms make Mom a great bracelet or necklace. Birthstones also availble in gold plating