Writes longer than the average of the top branded gel ink pensColorful ballpoint pen make your life colorfulPens with shining glitter is a good motivation of your work and paintingTextured grip provides superior writing comfort and control making this pen truly a pleasure to write with* They come in a nice plastic case to store the pen's in & keep them all together* Beautiful colors* The inks doesn't run out quickly like most gel pen's and that was one of my main concerns， but i have used them a lot and there is still a ton of ink left* They have textured grips that are really comfortable & help keep my hand from hurting or cramping when i am coloring for extended periods of time* They have a nice ball point style tip* The ink doesn't release quickly and puddle up on the paper* & the ink also doesn't bleed through my coloring pages onto other pages like some of my other gel pen's. They also do great on thinner paper such as notebook paper and don't bleed through it despite how thin it is.I have not encountered any con's with these gel pen's. Overall i am very pleased with the quality of them and they make me feel like i am in elementary/middle school again as gel pen's were all the rave.I received these free in exchange for an honest evaluation. All opinions stated above are my own personal opinions of these Colorful Gel