Rainbow CZ Flat Back Stud Earrings 4mm Rose Gold 20G Cartilage Piercing Description: Tiny rainbow CZ flat back stud earrings with a rose gold finish. The 4mm iridescent cubic zirconia flashes shades of purple, blue, green, and pink depending on the light. Comfortable for everyday wear and great for lobe, helix, tragus, conch, and other cartilage piercings. • 4mm rainbow CZ • 20G gauge • 6mm post length • Flat back style • Brand new #earrings #cartilage #piercing #jewelry #rosegold