A sex doll (also love doll or blow up doll) is a type of sex toy in the size and shape of a sexual partner for aid in masturbation. The sex doll may consist of an entire body with face, or just a head, pelvis or other partial body, with the accessories (vagina, anus, mouth, penis) for sexual stimulation. The parts are sometimes vibrating and may be removable or interchangeable.
CybOrgasMatrix dolls used an elastic gel, which they claimed to be superior to silicone in elasticity, shape memory, and durability. Both this company and the company "First Androids" once offered pelvic thruster motor, audio capability and heated orifices, though these options are no longer available. Several modern doll manufacturers now offer the last option on their silicone dolls, with the addition of an internal heating system.
The material is also elastic in nature. The material will allow you to move the doll around a whole lot more than a silicone doll. You might notice that some of the silicone dolls tend to have a limited range of motion. TPE can take a lot more force, and are way more flexible, so they can handle a lot more positions, which is pretty neat, and it definitely is something to consider.
The most premium sex dolls are usually made from silicone or thermoplastic elastomer known as TPE. Dolls made of either material can be very lifelike, with faces and bodies modeled on real people in some instances, with realistic skin material (similar to that used for movie special effects), and with realistic (or even real) hair. These dolls usually have an articulated PVC or metal skeleton with flexible joints that allows them to be positioned in a variety of positions for display and for sexual acts. Silicone or TPE dolls are much heavier than vinyl or latex inflatable ones (which consist mostly of air), but are roughly half the weight of a real human being of comparable size.
At the middle market price-range ($100 to approximately $1,000), dolls are made of thicker vinyl or heavy latex without welded seams or a polyurethane and silicone mixture, typically surrounding a foam core. Most have plastic mannequin-style heads and styled wigs, plastic or glass eyes, and occasionally properly moulded hands and feet. Some vinyl dolls can contain water-filled body areas such as the breasts or buttocks. Latex dolls were made in Hungary, China and France but only the French manufacturer Domax now remains in production.