Silver flower & butterfly navel banana
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Silver flower & butterfly navel banana

Product Code: SBT25-CZ

14g silver flower & butterfly banana stem and ball in surgical steel
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  • Main material : Surgical Steel (316L-ASTM F138)
  • Secondary material : 92.5 Sterling silver
  • PVD Coating : None
  • Gem type : Premium crystal
  • Threading : External
  • Classification : Navel
  • Quantity Available: 0

Surgical Steel 316

SS316L is a surgical implant grade, which is the most used material for Body Jewelry. The two most common standards that apply to body jewelry made of steel are ASTM F138 and ISO 5832-1 which describe the qualities of steel for surgical implants.

The element in stainless steel that causes allergic reactions in some people is nickel. Polishing the jewelry to a mirror like luster results in a protective layer of chromium oxide, which reduces the release of the Nickel content into the tissue. Surgical Steel can be sterilized in an autoclave.

Check certificate and nickel release certificate for more info. You can also check the latest European directive regarding the use of nickel for body Jewelry.


We had some returning questions regarding magnetism in Surgical Steel 316L. Some people still believe that if the steel is magnetic then it is not surgical steel. We would like to emphasize here one more time that this is not true. Stainless Steel 316L is a low-carbon form of 316 steel. Although it is non-magnetic when produced, it may become magnetic when worked.

92.5 Sterling Silver

Silver does not need much explanation. We use 92.5 Sterling silver. Most of our items are rhodium plated, which protects the silver from tarnish and makes it shinier.

However, it should never be used for new piercings, as it oxidizes easily when in contact with body fluids, nor for piercing mucous membranes (mouth, nasal cavity, septum, genitals), as long-term exposure could cause poisoning.

For our Swiss customers: The CE Logo we stamp on our jewelry is now registered as a Swiss RESPONSIBILITY MARK (No. 10545).

Check certificate for more info.

Premium Crystals


Premium crystals are man-made gems manufactured in Austria. In 1892, Daniel Swarovski invented a machine for making precision-cut, beautiful, high-quality lead glass crystals using quartz, sand, and minerals. The exact proportions of these raw materials have remained a company secret. This specialized manufacturing process ensures the highest possible degree of precision which produces brilliant crystals. For five generations, the Swarovski family has continued the tradition of making the most recognized crystals in the world out of their factory in Wattens, Austria.


The method of production and processing of raw resources are important factors in the quality of finished crystals. Swarovski uses only the finest materials to fashion faceted lead glass that is known around the world for its brilliance and value. Superior production, materials, cutting, and polishing are what set Premium crystals apart from other glass works. According to Swarovski, “Cutting hard materials such as crystal and gems, in such a way that they have a hundred identical facets in several directions, is a very complicated task; each direction of the reflected light must first be calculated by computer, then this has to be simulated in 3D, optimized and finally converted into control programs for complex machinery.”

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