Fabel-Castell\'s Pitt Artist Pen is a modern, easy-to-use disposable pen. The pigmented drawing ink is lightfast so your artwork won\'t fade over time. ideal for sketches, drawings, layouts, fashion design and illustration, these pen feature a brush nib for emotive, flowing illustrations. Once dry the ink is smudge proof and waterproof.Faber-Castell is one of the world\'s largest and oldest manufacturers of pens, pencils, and art supplies, as well as high-end writing instruments and luxury goods.- Brush tip - Light fastness Rating: 3 - Maximum light fastness - Water-resistant - Permanent - Odour-free - Acid-free - pH neutral - Pigmented drawing ink - Colour: Phthalo Blue 110