Made of high quality, safety and convenient to use. All piercing needles have been thoroughly inspected and sterilized by E.O gas Each sterilized pouch has printed the expiration, and you never need to worry the needles to expire Piercing needles are made from stainless steel with professional standard length, which fit for all sorts of body piercing Specialized manufactured to fit for exacting standards, just show your attitude with this stainless steel piercing needles Tri-Beveled medical grade piercing needles. Carefully designed, excellent for use