Alcohol Based & Permanent Markers with alcohol-based ink, low odour, toxic-free. Excellent smudge-proof and waterproof qualities on most surfaces.
Dual Tips & Square Penholder - Broad chisel (approx.1-7mm) and fine point(approx.0.7mm) nibs, which will meet your needs of outlining and coloring in a large area or detailed writing tasks. Square penholder is super easy for holding and writing which a cap can be placed over on the other end.