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.
It also can retain warmth, so if you decide to heat it up a little bit, it definitely has that potential. However, you shouldn’t try to give it hot baths or submerge it too much, since often, this can mess with the skin, breaking it down and ruining the doll. But, if you want to mimic the warmth of a body, then you can use this, since often the fact that it is way more sensitive does help with this.
Now, TPE stands for thermoplastic elastomer, which is essentially a mixture of polyvinyl chloride and silicone. This is a type of skin that is very soft, and it mimics the feeling of human skin. TPE is way more realistic in feeling and it definitely mimics the feeling of human skin. It also is much cheaper than silicone alternatives, sometimes even hundreds of dollars cheaper. TPE also allows you to move the doll around in various ways, since it has more flexibility. TPE dolls don’t really need to be bathed, but you can, just be mindful of the water. It also is hypoallergenic as well. 
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