This Review Title is The only reason why it was given 2 stars as opposed to 1 star is because it fit nicely in my invisalign container and the content is: This tool is unusable. I was not able to get either side under the edge of any part of my trays to even attempt to aid in my pulling them out as it is just too thick. The only reason why it was given 2 stars as opposed to 1 star is because it fit nicely in my invisalign container. I threw both tools away. Don't waste your money..There are other information for this review, one is This reviewer did purchase it and the other is 2 people think this review is helpful.