POISON SMOOTH® 4mm markers come in an extended color palette consisting of 16 colors and 2 varnishes. These 3mm markers come with a redesigned pump system and an advanced technology nib. The paint offers an unparalleled bright finish due to its finely ground paint particles. It has the ability to cover almost any flat surface and can produce nice thick drips if required. It is resistant to many chemical agents without losing its total colorful look. The enhanced formula allows better penetration of the paint to assure a long lasting appearance for months and years to come. We use only the highest quality of ingredients to make sure our products will have that thick, juicy feel. Great for effects in your art work, on canvases, body painting etc.