The materials used in sex doll manufacturing range from traditional silicone and TPE to innovative composites designed for fantasy features. Silicone, prized for its durability and realistic feel, is often used in high-end dolls, offering a lifelike skin texture and resistance to wear. TPE, a softer, more flexible material, provides a more pliable experience, mimicking human tissue more closely. For fantasy dolls, manufacturers incorporate specialized materials such as glow-in-the-dark plastics, flexible rubber, or even lightweight composites to create wings, horns, or other imaginative features. Some designs utilize 3D-printed components for intricate details or customizable parts, enabling personalized fantasy elements. The development of new materials aims to balance realism, durability, and safety, with innovations focused on heat resistance, tactile sensation, and ease of cleaning. Hybrid materials may combine elements to achieve desired aesthetic and functional qualities. The choice of material significantly influences the overall experience, maintenance, and lifespan of the doll. As material science progresses, so too does the potential for creating more diverse and fantastical sex dolls that defy traditional constraints, opening new realms of possibility for consumers.