1High quality alloy material is anti-allergy, safe, harmless to your body, also durable and fadeless to use. 2The hypo-allergenic needle is made of 316L medical steel. 3A beautiful item for decorating belly button, showing individuality. 4Shining rhinestones decorations make you more shiny and glossy. 5Small sized and lightweight, the wearing of it would not cause much pressure or discomfort.