Package includes 10PCS Piercing Needles for Body Piercing.All needles are individual packaged and has been pre-sterilized w/ E.O. Gas (ethylene oxide). Protective sterile rubber tip on each needle. Surgical grade steel, no allergic reactions. Needles are hollow, tri-bevelled and laser sharp.These needles are designed to cause less harm to the body, and to promote healing. Disposable needles which ensure personal hygiene.For most situation, Ear, Lip, Nipple, eyebrow and a few other piercings may require 16 gauge. Navel, Tongue piercing may require 14 gauge. For nose piercing, the required needle may be 20 gauge.