Enjoy versatile style with this trio of flat backs: a baguette crystal, a flower, and a pearl flower. Mix and match them for a touch of charm and elegance, or wear them separately. Designed for irritation-free, all-day comfort. Material: Crystal, Gold Plated, Surgical Steel Gold, White Dimensions: Total Length: 5 mm Post Length: 6 mm Feature Dimensions: Total Length: 4 mm Post Length: 6 mm Gauge: 18 g / 1.0 mm This pack of flat backs features cubic zirconia stones and surgical steel posts.