Vallteng 40 Colors Graphic Marker Pen Art Sketch Twin Permanent Graffiti Coloring Pens for Drawing Highlighting and Underlining

enough for a pretty colouring:lots 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. double sided markers:a 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 the caps fitting on tight which doesn't cause the markers from drying out too soon. good quality: the water-based ink is non-toxic, blend able, non-bleeding, and odorless; marker pens are made of strong pigments allowing you to draw at least 300 meters convenience: equipped with a beautiful black carrying case for ease in travelling and storing strong environment adaptability: it can be used to draw/sketch in glass, metal, photos, paper and so on.