Great carrying case! A little sharp.
I hesitated purchasing this item because of some of the ratings reporting that they were sharp. I went ahead and bought them mainly because of the travel case they came in. I had been using a different brand that is in a small plastic case carry, unfortunately the case will Not stay shut and so then I continually end up with brushes that have been floating in my cosmetic bag. These come in a hard plastic case that is made to dispense only one at a  time, stays shut and can be attached to a key ring etc. The downside is they are sharp so you need to be careful. The other brand I was using first was soft and not sharp but the tool itself would only last for me to do part of my teeth.  I rated it a 4 because overall it is good but I would prefer something not quite so sharp. It does a great job cleaning in between my teeth.
Rating: 4 stars