Waterproof Pens

Features: Acid-free and waterproof, Professional waterproof technical drawing pens, permanent(Light fast), acid-free, non-fading ink, barrel window

Acurit Waterproof Technical Pens - Professional Waterproof Technical Pen, Rich Blank Ink, Acid-Free, Light Fast, for Sketching, Drawing, Calligraphy

Professional waterproof technical pens filled with rich, black ink! The Acurit Technical Waterproof Drawing pens contain rich black ink that is acid-free and lightfast. Because the ink is waterproof it is ideal for watercolor underdrawings and technical drawings. Each pen features a convenient window on the side of the cap for nib identification.

Acurit Waterproof Technical Pen 0.50mm Nib Waterproof

What is a Waterproof Pen? (with pictures)

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