on this projectInk Color: 8pcs Black Ink; Refill Point: 0.35mm; Color: Random Mixing; Length: 14.5cm/5.7"; Kawaii Design Gel Pen.Repeated Erase and Rewrite: Sensitive gel ink that disappears by friction with the rubber tail tip on the pen, no residue, no paper tearing. These pens write like a gel pen and erase like a pencil.Smooth writing erasable pen: write, delete, rewrite without damaging your document. The friction erasable pen allows you to enjoy smooth writing while leaving room for error. Eraser on top of nibA beautiful and practical gift box for children's stationery, showing your love and unique artistic beauty. School educational supplies and their use in office and school pens. A great gift option for kids and children.Great pen for sketching, painting, coloring and writing in a fun way. You can't make mistakes or punch holes in paper with these erasable pens. Keep your paper or books neat and clean. Students can use these pens to take notes and do homework. You can use it to write notebooks or decorate in many ways and let your imagination run wild. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin