The product is processed really excellent, no sharp edges or protrusions. Especially for anal fun, for which it has been developed, it is highly recommended. No jelly product that emits toxic substances what to look for anal play especially because these substances in the intestine lead to cancer.
Unfortunately, I still have to complain about the size, as I had imagined this plug slightly larger. In the entry-level recommended for advanced users, I recommend at least the next size up.