Bioplast. This nipplebarbell has a thickness of 1.
6 mm and is made of 316L surgical steel. The bar itself is made of Bioplast. On one side, there is an attachment, which represents the springs of the arrow ,and can be unscrewed. On the other side is a non-unscrewable top in the form of an arrowhead which is decorated with a small crystal. This jewelery can be easily sterilized and due to the skin-friendly nature of the material is also absolutely safe for allergy sufferers.