The toy is metal, made out of aluminum alloy, which makes it non-porous and can be easily cleaned/sanitized. As it's metal, it can even go into the dishwasher; however, I'm personally a bit worried about mixing my anal toys with my dish-ware. The toy is very lightweight due to the nature of aluminum, which is nice as this makes so if you were to walk with it inserted that it would not have a significant amount of weight that you would need to hold inside.
Aluminum does offer the possibility of some negative aspects, which is likely why EF didn't give this material a 10 on their material safety rating. There are some studies linking Aluminum (commonly in antiperspirant & soda cans) to Alzheimer's so as you are inserting this or having it pressing against your skin this is worth considering.
Aluminum is also very quick to heat or cool, which is why it's commonly inside of cookware as it heats super fast. This means it will get to body temperature when inserted very quickly.
The Rhinestone accent is just what appears to be a piece of plastic designed to look like a crystal. It is decorative and won't be inserted with the toy. As the toy is metal it is very hard and has no flex, but due to the fact that it is not overly long in length this causes less possible issues with bruising but you should still be careful.
The design of this toy is to basically just barely provide some anal sensation. It is not extremely wide or long, but its firmness makes it easy to feel internally. We have used it during sex and I can definitely feel the toy pressing against me while I'm inside my girlfriend. I think this smaller sized plug is great for a little bit of anal play, or as a prelude/hint that maybe anal is on the table. Or as an option for those just wanting a small taste of anal, but not much more.
The one issue I have with the toy is the flared bit with the rhinestone accent as the metal rim is wide enough that it rubs against me when we are having sex in doggy or similar positions... We haven't had any issue with it during cowgirl/missionary. But this is distracting enough and would become painful after extended use in this fashion. It needs to be flared like it is to insure the toy stays put and doesn't get sucked internally and lost, but this is less of an issue with silicone plugs we regularly use that have some give on the material.
If you are an advanced anal user or regularly use larger toys in your anal play/sex life, then this toy does not provide a significant amount of sensation; however, it is enough that you know it is there. The best thing about this toy might be that it's comfortable to have inserted and not too noticeable, but still adds a little something extra, which might be great for more regular use, long time wear plug play, or for those just getting started with anal play.
This toy is super easy to care for. The metal is non-porous and smooth so it cleans off easily after use and is safe with all types of lubes; however, I only have water-based lubes due to compatibility needs with my other toys.
The toy comes with a bag to store the plug in when not in use to prevent scratches or other damage to the surface, which might make it less smooth and result in a less pleasant use experience.
The toy came wrapped in foam inside of its felt storage bag, inside of a plastic bag. There were no instructions included with the toy, but I have faith you can figure out how to use it.