Sex doll, as the name suggests, is a doll which can be used to achieve sensual pleasures by having artificial orifices (such as vagina, anus and mouth). They come in many forms and can closely resemble the size and shape of a life-like person. They are also often called love dolls as well.
But the first sex doll can’t be called realistic sex doll due to unadvanced technology.
Origin of the sex doll dates back to 17th century when French and Spanish Sailors on long sea voyages would make such dolls from sewn clothes.These dolls were named dames de voyage(Spanish as dama de viaje,). The Dutch sold some of these dolls to Japanese people during the Rangaku period, and the term "Dutch wives" is still sometimes used in Japan to refer to sex dolls. Besides cloth, vinyl, latex and polyurethane has been used to make a sex doll, but it wasn’t until late 20th century when the realistic sex dolls came into being with the use of silicone and TPE(Thermo Plastic Elastomer).
Dolls made of either material can be very lifelike, with faces and bodies modeled on real people in some instances, with realistic skin material andrealistic (or even real) hair. These dolls usually have metal skeleton with flexible joints that allows them to be positioned in a variety of positions for display and for sexual acts. So 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.
Nowadays most dolls are made of the popular material TPE, which is made from mixing polymers such as a plastic and a rubber, which consists of materials with both thermoplastic (plastic) and elastomeric (rubber) properties. This gives TPE advantages for use in general production because it possess the following characteristics:
Mold-ability (to provide ergonomic comfort)
More reasonable price than silicone
Modern day sex dolls have evolved so much that they now possess