Molotow One4All Acrylic Marker - 15 mm Tip , Signal White, Square Tip | BLICK Art Materials
Amazon.com : White Paint Pen for Art- 8 Pack Acrylic White Paint Markers 2-3mm Medium Tip for Wood, Rock, Black Paper, Metal, Plastic, Glass, Canvas, Ceramic, Egg, Tire, Pumpkin, Water Based DIY