Very nice and elegant necklace. Really makes me feel and look cool. Does the titanium actually give me any health benefit? I dunno. I do feel stronger and healthier since buying this thing, but I was kind of on an upswing to begin with as I've been watching a lot of self help and self confidence videos. Was surprised when I got the box. It says "Rakuwa Necklace"in large letters on the packaging. I have no idea what that is, but I did know this product was made in Japan. It also says "Phiten" in small letters on the top left. This is 20" necklace. It's good enough. The 18" would have been a bit small. I wore a knitted shirt today with the necklace hiding under the collar so that the metal part showed through. It looked nice. I got the light blue color, it doesn't match with every outfit I have, but it looks incredible with my light blue shirt. Sometimes I wish I got black, but half my clothes are black and I'm so over that color. Clasp is easy enough to take on and off, you just pull it apart and it comes apart. It's strong though, I'm not worried about it simply falling off on it's own. It actually takes a good bit of effort to pull the 2 halves apart. It's pretty much all nylon I think. It says to hand wash it. I might throw it in the wash, we'll see. I haven't washed it yet, only had it for about a week. Even if it's only psychological, this product has come into my life at just the right time. In the back of my mind I have been pining for a necklace but for the life of me, have not been able to come up with something innovative. One of my patients at work wore it and told me about it. I have actually known about Phiten for a while, I guess I just wasn't ready for it. When I was in grade school, I used to wear a necklace daily. I believe it had a gold chain and I remembered taking it on and off occasionally. I have been wanting to go back to those days when I dressed a little fancier. There is a manly and handsome quality to this necklace. I wear scrubs during the work day and I feel more handsome when I wear this. Sometimes I wish the nylon braided portion was a solid color which would have made it more sophisticated. The way they weave multiple colors into it makes it more down to earth, dress down, and casual. Yet the shiny, smooth, metallic clasp that goes across gives it an air of sophistication that allows me to wear it with a nice knitted shirt and get away with it. Interesting combination.