TPE stands for Thermoplastic Elastomer and is a material made from a physical mix of polymers such as plastic and rubber. Furthermore, TPE:

• Is very moldable, making it perfect for sex dolls.
• TPE feels most like human skin.
• It is bouncy and allows for sex dolls to have that realistic jiggle.
• TPE warms to the touch.
• TPE is one of the most widely used materials for sex toys.
• You can find TPE in everyday items such as toothbrush handles, soft-tipped spoons for babies and dental guards.
• TPE is easily used in injection molding, creating lifelike sex doll parts such as the labia.
• TPE has no strong chemical odor and is body-safe.
• TPE is very stretchy and elastic, making skin more realistic.
• TPE is often considerably cheaper than Silicone.

THE DOWNSIDE OF TPE 

• TPE can break down after long-term wear and tear.
• TPE stains easily (especially when colored clothing touches it).
• TPE is porous, having microscopic pores that can absorb oils, dirt and bacteria.
• Thorough cleaning is a must with TPE sex dolls to avoid staining and bacteria build-up.
• TPE should be powdered regularly to keep it’s skin-like feel.
• TPE can deform, melt and become misshapen in high heat.