MALAR

The material used is sufficiently supple and flexible to facilitate insertion via a small incision; it is sufficiently rigid to simulate the part of the face that is missing, or in need of correction

Facial implants are made of silicone rubber.

This one resists modification by the host tissue, is chemically inert, and causes no inflammatory reaction. Silicone rubber can be sterilized without alteration 

The holes on the facial implants facilitate the attachment of the implant to tissue for accurate placement