These quality fast drying White Perma Pens create an exciting contrast on dark-coloured surfaces and are a must have for students, illustrators, artists, designers and crafters. Perma Pens contain white, waterbased ink which works on most surfaces including acetate, card, wood, glass, metal and plastic. The 1mm felt bullet tip is great for writing and producing controlled lines. This White Perma Pen is a valuable and versatile drawing and writing tool. Ideal for mixed media, marker explorations and adding highlights to work. Also suitable for art and craft decorative projects.