Sex dolls, also called blow-up dolls, are male sex toys that offer the sensation of penetrating a live partner. Nearly life-size, these sex dolls have openings in all the traditional places: mouth, vagina, and anus, so you can penetrate every orifice to your heart’s content. Some models are even equipped with large egg vibrators to increase stimulation and maximize your orgasms.
One of the most important features of a sex doll is the construction. The material used (rubber, fabric, TPE, or Silicone) dictates not only the cost of the product, but also the purpose. Whether you're thinking about getting a sex doll yourself or are just curious about what folks see in an inflatable partner, there is certainly a great deal of perks to sex doll ownership.
Also, some argue that while it is more realistic to the touch, it might not be to the feel. Because of the fact that the TPE skin is much softer, sometimes the heads feel a little bit different. It might feel softer to the touch, and you might almost feel a bit weird since you can sometimes press the head in. This might be something to consider if you’re worried about potentially ruining the reality of the situation because of the way the doll feels.
An artificial vagina is a device designed to imitate the female sex organ. To achieve this, it will generally be made of a soft material, lubricated, and sometimes heated. An artificial vagina for the purposes of sexual stimulation is essentially an aid to human masturbation; and is also known as masturbation aid, masturbator, or pocket pussy. It is designed to simulate the sensation of sexual intercourse on the erect penis and to induce orgasm and ejaculation.
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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