The Vivienne Hoop Earrings will look stunning with any outfit. These eye-catching gold hoop earrings feature a unique graduated triangular design, and measure 15mm in size. - Measures 15 mm in diameter - Hypoallergenic, water-resistant - Heavy 18kt Gold Plate over brass with e-coating for extra longevity ** Our pieces are plated 1 micron thick, industry standard is .125. Quality is extremely important to us, and we wanted to ensure these pieces will last and work well for sensitive ears