TPE stands for Thermoplastic Elastomer, also known as thermoplastic rubbers. It is a less expensive alternative to silicone and is a popular material used to create affordable sex dolls. TPE is known for is ultra soft quality that feels closest to human skin. While more porous than silicone, it's important to ensure colored clothing is washed multiple times to avoid staining TPE skin. TPE is a wonderful material and has grown the sex doll industry over the past decade due to it's affordability and ability to create some of the finest sex dolls at their lowest prices. The new S-TPE combines some of the desirable traits of both Silicone & TPE such as definition in shape and softness, it is the latest technology being used in manufacturing Sex Dolls today