Sorry!! I had these implants for a little over a year and then decided they were too big for me. My surgeon sterilized them at the time of explantation and put them in sterile packaging along with the fill tubes. Standard practice for implants is to autoclave them before implantation, especially in situations that the implants may be outdated. It does not harm the implant. Btw, these are the same implants that Keisha Evans now has overfilled to 6000cc's.