[button link="https://www.ave40.com/eleaf-lemo-drip-rda-tamk.html" size="large" text_color="#ffffff" color="#000000"]Stainless Steel[/button] It's long for service life while it has good thermal conductivity, which is weak in heat insulation. [button link="https://www.ave40.com/search/name/POM" size="large" text_color="#ffffff" color="#000000"]POM[/button] It is made from polyoxymethylene(POM), characterized by its high strength, hardness, and rigidity, making it able to endure the strains of heavy use. It prevents from burning your mouth and is low-cost. [button link="https://www.ave40.com/search/name/+resin" size="large" text_color="#ffffff" color="#000000"]Resin[/button] It features with the unique appearance and made from resin, which is heat-proof.