♡ Comes with a butterfly back ♡ 365 day guarantee included for free (read more) ♡ You receive one earpin. For a set, please select two pieces Size: The earpin has a 12 mm long post and a 2,7 mm zirconia The charm is 9 mm by 6,5 mm Material: High quality gold plated using 1 micron 18 karat gold with zirconia stones set in it