MATERIAL, Belly button rings made of 316 stainless steel with sparkly aaa clear cubic zirconia. Allergy-free, nickle & lead-free, suitable for sensitive people, light weight and comfortable,perfect for daily use.USE WAY, The top of belly ring stainless steel is easy to put on and take off. Also can be used as daily belly button rings, navel piercing jewelry. You just need to unscrew the top.IDEAL GIFT, Surgical steel belly button rings makes you more attractive when you participate any social event like party,wedding, etc. You will surely get tons of compliments on multiple occasions.It's a perfect gift for your mom,sister,friends or yourself on Birthday,Christmas,Wedding,Party.