Everyday simplicity These tasteful and dainty post earrings feature a brass circle, making them great for those looking to keep it simple and quick or perfect for a second piercing. These earrings measure .5" in diameter. Hypoallergenic and nickel free. Our in-house jewelry line is designed by founder Haley Jaeger and created by artisans in Haiti through Atelier Calla. Atelier Calla celebrates sustainable jobs, fair trade working environments, preserving Haitian culture, and upcycling materials. They partner with over 30 artisans to create their beautiful pieces!