Quality Assurance - Surgical stainless steel construction, healthy and comfortable to wear, no harm to the skin. Size -- 18-22 gauge thickness, 6-10MM inner diameter for you to choose from, to meet your different needs Classic design - stylish C-shaped flat nose ring for easy wear or fall off, suitable for any occasion Suitable for women and men of all ages. It is the best choice for family, lover, etc. on Valentine's Day, Christmas, birthday, etc. Guarantee: Commitment to a 90-day exchange or money back guarantee. We will respond to any of your questions in a timely manner within 24 hours and try to be correct. I hope you have a wonderful shopping experience.