These POSCA paint markers has water-based pigments which can be blended when wet or overlaid when dry. Decorate paper, metal, glass, wood, plastic, and more with these quick-dry, water-based markers. - This pack comes with an assortment of tip sizes. - You can blend these markers when they are wet or overlay them when they are dry. - The unique, water-based ink delivers bright, matte, and opaque colours that are permanent on most porous surfaces and removable when used on glass. - These markers can be used to customise, create, decorate, or mark anything that inspires you with a precise and steady line. - These markers are quick drying, non-toxic, as well as low odour for your safety and convenience. - You can use them to mark on paper, metal, glass, wood, plastic, and more.