ThermoVape Non-Stick Vapor Tool The ThermoVape Non-Stick Vapor Tool is made of super durable stainless steel with a delicate PTFE(Teflon) material tip that is both safe and gentle on even the most delicate pieces of the ThermoVape. The PTFE material is also completely non-stick, so even fi you are using messy essential oils or concentrates you won't have to worry about making a huge sticky mess and destroying your new vapor tool.