The Feelztoys Rollie is a great cock ring that has a little twist that makes it stand out from all of the rest. It is to be worn behind/around the entire male package, and there is a massager (we'll call it the finger) that reaches behind the balls and massages the perineum.

The dimensions of the Rollie cock ring:

Outside diameter: 2.3 inches
Inside diameter: 1.9 inches
Inside circumference: 6.0 inches
Band width: 0.5 inch
Finger length: 2.0 inches
Finger width: 0.6 inches

I think that this is a great cock ring for myself, but with the dimensions kept in mind, it is probably too small for guys with a lot of girth or big balls. It is, in fact, meant to sit behind the balls. One downside to this is that the Rollie is very hard to stretch while putting it on. It takes a lot of effort to get it on right, and BE CAREFUL because if it slips out of your hand while you are stretching it around the balls, it will hurt a lot! This becomes easier once you get the hang of it. The finger which presses on the perineum isn't mind-blowing, but it feels nice to have that full feeling around the entire package and back behind the balls.

The material is high quality silicone, my absolute favorite material for any sort of sex toy. It is durable, lasts a long time, and can be cleaned in the most thorough of ways. You can clean it with any type of dish soap or toy cleaner, stick it in the washing machine if you like, or even boil it for three to five minutes. I really like the fact that I can boil this thing to completely eliminate any of the bad stuff on it. Remember, silicone toys can only be used with water-based lubes, silicone lubes will destroy the texture. Remember to clean it before and after use to ensure optimum hygiene.

Choose blue or black, both look great and feel awesome! I recommend this to any guy that can fit into it!

I've got it on right now! It feels very secure, and the perineum massager feels really good as well. I wear this thing every time, I swear.