The best use for this would be as a traditional vibrator. It could also be used for a massage wand, to
stimulate nipples, and stimulate the scrotum. Do not use it for anal because it dose not have a flared base and you don't want it to get stuck.
I have used it about 4 times, and it really just hurt more then gave me pleasure. By "it hurt" I mean that it caused minor discomfort. More of a "get that thing out of me right now!" kind of feeling. I believe this was because I did not have lube when I used it, and that may have been the problem. So my dislike could have been my own doing.

It is made of TPR, or Thermoplastic Rubber, that has the both characteristics of rubber and plastic. It is softer than the silicone toys I have and harder than jelly toys. I have not tried any jelly toys yet.
It is really flexible; with ridges on the top and bottom, but smooth in the middle. I would say that it would be more for someone who knows what they like. After seeing the toy on the site I thought I would like it, but it turned out to be rather painful. I would say that it could be used by all levels of players, but for me it was a bit too far advanced as I am a newbie to the world of toying.

The design was fun and interesting. The Cosmic Waves' shape and size are fairly traditional, but with the added texture of ridges of TPR.
This toy is not easy to hide, or say it is something else. How many things are blue, and about 6 1/2 inches long, 4 3/4 inches around, and vibrate? Discretion is not this toy's strong suit.
The size isn't overly large but if you are new to penetration remember to go slow and use plenty of lube. This toy is TPR so it can be used with water based, or silicone lubes. This toy has much to offer all users but might be aimed at the intermediate user because of the texture.
This would be fine for travel, if it was a get away for two, but if it is a whole family trip try to find something more discreet.

This toy is easy to use. You turn the knob on the bottom to whatever speed you like. It does not have any patterns, so if that is what you like then look for something different. The vibrations are located at the tip but can numb your fingers.
It is waterproof and it works well under water.
The highest level of vibration was ok but left me wanting something more. The lower vibration levels weren't incredibly different and the vibrator is more of a moderate strength vibrator.
It is waterproof and it works well under water.

I clean it with Eden Toy Wipes and hot water and antibacterial soap. You should always clean your toys thoroughly and not rely on toy wipes alone!
When you clean it you could use you finger nail or a tooth brush to clean between the ridges.
It can be stored just about anywhere and it is unlikely to melt all over other toys. You might want to keep it in a toy bag or box to protect the soft finish of the toy.

Packaging is not discreet, there is a women in a bikini on the front. The plastic case is clear and clearly shows the blue toy, front and center, for all to see.
The package also lets you know the toy is a water proof, multi-speed vibrator that is safe to use.

Well, I really was looking foreword to trying a new toy, but the night it arrived I got stuck baby sitting my boyfriend's brother and sister. So I had to hide what I had in the box from them.
When I had the opportunity to try it later it was OK, but just not the right texture for me. It just did not feel right! Even using it with my boyfriend really didn't help.
While I disliked the toy, I think it had more to do with me being new to sex in general rather than a fault of the toy. It could work just fine for someone who likes texture.