The realism of modern erotic sex dolls is the result of sophisticated technological advancements in materials, robotics, and sensory systems. High-quality silicone and TPE (thermoplastic elastomer) are commonly used for skin, providing a soft, lifelike texture and appearance. These materials are flexible and durable, mimicking human skin’s elasticity and warmth. Internally, some dolls incorporate advanced skeletal frameworks made of metal or reinforced plastic, allowing for realistic posing and movement. Recent innovations include the integration of robotics and artificial intelligence, enabling dolls to respond with gestures, movements, and even speech. Sensors placed in key areas allow for touch detection, enhancing interaction realism. Heating systems can simulate body warmth, while built-in speakers provide voice capabilities, making conversations more natural. Some models are equipped with eye movement and facial expressions, contributing to a more lifelike experience. The combination of these technologies creates a highly realistic and interactive experience, blurring the line between artificial and human. As technology continues to evolve, future developments promise even more sophisticated features, making erotic sex dolls increasingly realistic, responsive, and customizable to individual preferences.