Dove Products-Blender Pen. Use this handy tool in blending techniques on stamping and paper craft projects. The Dove Blender Solution is a revolutionary blending medium, specially formulated to make "floating" or blending colors easier. Works great with all waterbase markers, colored pencils, chalks, dye ink pads and pigment ink pads. Refill with Dove's blending fluid (BL-R) and replace tip with Dove's blender tips (BL-TP5). Made in USA.