One of the most widely used materials for making sex dolls is silicone. Basically, silicone sex dolls are the most realistic sex dolls you can buy. They are very similar to human skin. Besides that, it is very durable and can be used for a long time. In addition, silicone is a material that does not harm the skin, so it is safe to use. But in fact, the price of silicone dolls is not cheap. So,...