To make the sex dolls as realistic as their counterparts sharing similar skin texture and warmth, chemical engineers are evolving new combination of elastomers that are lightweight, firm and can be sculpted easily. Materials like silicone and TPE have been widely accepted in the sex toy industry as they are Hypoallergenic, Latex-free, Phthalate-free and have a skin like feel without any odor. Most inflatable dolls are made from vinyl or PVC and before silicone was used, rubber was widely used to make sex dolls. Though rubber dolls are not as long lasting as silicone ones, they come at a lower price tag. Most high end dolls are made from silicone and TPE. They feel so life like and their faces are so beautifully crafted that anyone could fail to ascertain their non human identity. However, they are heavier than other kinds of dolls and have a well made skeleton Features such as eyebrows, nipple and vagina color are all hand-finished with expert detail.. A lot goes into to crafting a realistic lifelike sex doll and they are more of a piece of art than just a doll. http://www.siliconedollsforsale.com/