Polysafe Polysafe is all brand name for a group of Plastic materials which are safe for body piercing, colourful and very user friendly. PTFE - Polytetrafluoroethylene, known as teflon UV - Polymethylmethacrylate, known as acrylic PET - Polyethylene The main characteristics of PolySafe are: - Excellent bio compatibility, no negative reaction to the body's immune system. - Outstanding softness. - High flexibility. - Strength due to high density of the material.