Amazon.com: FLYMAX White Paint Pen, 6 Pack 0.7mm Acrylic White Permanent Marker White Paint Pens for Wood Rock Plastic Leather Glass Stone Metal Canvas Ceramic Marker Extra Very Fine Point Opaque Ink :
Pentel White Paint Marker, F – St. Louis Art Supply
Sharpie Water-Based Paint Marker - Medium Point - White | JetPens
Sharpie Oil-based 2-Pack Medium Point White Paint Pen/Marker at Lowes.com
Kryolan TV Paint Stick | Kryolan TV Stick | TV Stick – Blossom and Bliss