Partial open nose hoop in 18k gold. 8mm 5/16 diameter. L-shaped stud for left nostril I think and it’s also in 18k gold so check pics about the left or right side nostril. Lightweight and versatile for everyday wear. Minimalist style. They Include a soft white pouch for storage. Ask questions before purchase. There seems to be a shadow on the gold. It’s not tarnished. You can look at their website, Alluring Body to check out their prices and products.