The Prosthetic Transfer Molds that P.T.M offer are more than just a piece of blue rubber. Why you may ask? Well that's because their silicone molds have all been infused with Hi-Ro Slip™ (P.T.M's built in release agent) so they're ready for the immediate creation of beautiful Prosthetic Transfers. Plus, all the molds are designed by industry professionals for that added assurance of authentic realism.