Nature Inspired Earrings Celebrate your free-spirited nature with beautiful bohemian studs - let them help you express the unique, carefree person inside. Free Spirit Jewelry Design for the Modern Bohemian • Earring Posts are nickel & lead free. Hypoallergenic. • Earring Size: 0.4 inches (10mm) Due to the differences in natural wood, some pieces may have more or less wood/woodgrain and small knot swirls also color of wood may vary as it is natural wood. This is a natural and desired characteristic of wood.