this review title is: work ok but contain is so little and the content is: product is working however the contains in the pen is so little only use less then times and it dries out already hope that they can make it worth for the money i paid for i believe the price of the price go the box and the cover of the contain.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.