Despite their fantastical appearance, mermaid sex dolls are engineered with advanced materials and technology to provide a... moreDespite their fantastical appearance, mermaid sex dolls are engineered with advanced materials and technology to provide a lifelike feel. The silicone or TPE (thermoplastic elastomer) used in their construction mimics the texture and elasticity of human skin, offering a tactile experience akin to that with a real partner. Some models even come with additional features such as heating elements to simulate body warmth, enhancing the sensory experience and further blurring the lines between fantasy and reality for users. less