Vallteng 80 Colors Graphic Marker Pen Art Sketch Twin Marker Pen Permanent Graffiti Coloring Pens for Drawing, Sketching, Anime and Manga with Carrying Caseenough for a pretty colouringLots of beautiful good markers within a large range of colours. they don't bleed through the paper and do not blend with the other markers.(Tip: After use, please remember to tighten the cap and store the marker horizontally to prolong its life.) double sided markersA bunch of 80 double sided markers with one side thin and the other thick. both sides have caps and are colourful when drawn. contain different colours with