Dildos come in a wide array of materials from silicone, to glass, metal, jelly, and thermoplastic rubber, not to mention several branded “realistic feeling” materials. Different materials are great for different purposes and some need extra care and caution.
Rubber is the material used to produce dildo balls. It is anti-bacterial, easily washable, and sturdy. It can withstand bouncing of a 100-120 kg body and remain intact.
Rubber: This latex material is commonly used to make dildos. It has a pungent odor and can cause allergic reactions. It has a pungent odor and can cause allergic reactions. If you buy a rubber sex toy, be sure to use it with a condom because it is porous.
The first dildos were made of stone, tar, wood, bone, ivory, limestone, teeth, and other materials that could be shaped as penises and that were firm enough to be used as penetrative sex toys. Scientists believe that a 20-centimeter siltstone phallus from the Upper Palaeolithic period 30,000 years ago, found in Hohle Fels Cave near Ulm, Germany , may have been used as a dildo. 
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Choose a dildo made with non-porous materials such as body-safe silicone, glass, or metal. Use plenty of lubricant, but avoid using silicone lubricant with silicone toys.
Jelly material is just about the cheapest material when it comes to sex toys. And as you may have guessed, it almost always comes with tons of phthalates. The material uses rubber as a baseline, and adds phthalates to make it flexible.
The one thing all those materials have in common is that they’re either non-porous or can be made that way with a coating. Porous materials contain tiny holes that aren’t visible to the human eye. Even after washing, they can harbor bacteria. Most of the items that you might pick up to use as a makeshift dildo are porous, however.
Dildos are generally used as sex toys that go inside the parts of the body like a vagina, anus, or mouth. Dildos are available in different shapes and sizes and are shaped like a penis. They are also available in various lengths and materials. Sometimes the dildo looks so realistic, while some others may be quite different.
Always test materials thoroughly by hitting them forcefully against a hard surface before using them. 2. Avoid toxic or dirty materials. Never use any toxic or dirty materials to create a dildo as they could cause a vaginal infection or urinary tract infection . If you aren’t sure about a particular material, do some research first.