MRKR by MIGI NAIL ART Paint Pens (Fluorescent Colors) MRKR Paint Pens can be used to mark any surface with long lasting effects. Versitillity is key: One pen, 2 colors, 2 tips, 2 brushes MRKR allows you to go anywhere and mark anything, carry 2 pens use 4 colors! Times 2: Each pen end has 2 fine tip drawing points and 2 paint brushes! MRKR pens are great for Plastic, Glass, Wood, Porcelain, Metal, Tile and more!