The gel-filled shell is constructed of successive cross-linked layers of silicone elastomer, which give the breast implant its elasticity and integrity. TheThe drip type Mona Lisa breast feels like wanter，the shell is extra textured to provide a disruptive surface for collagen interface.The cohesive gel is more cross-linked than our standard silicone gel and does not migrate in the case of an implant's rupture. The Mona Lisa  breast implants' proved they are in the international advanced level