These cool rainbow hoop earrings are made of solid hypoallergenic 316L surgical stainless steel, they are hoop or huggie style with hinge back fastenings. The hoop earrings have a high-polish rainbow PVD finish. These huggie earrings approximately measure 14mm in diameter x 2mm thick (one earring without ear-wire). One earring with ear-wire approximately weighs 0.1 ounce (0.10 grams). The package will contain one pair. A gift box is included with the purchase.