Derwent Lightfast pencils are designed to be completely lightfast. High-quality, long-lasting coloring pencils available in a variety of striking hues; perfect for both professional and amateur artists who display their work Completely Lightfast Coloring Pencils: Under museum conditions, a special colored core fights UV rays to preserve colors, guaranteeing that artwork won't fade for up to 100 years. Expert Caliber Artist's Pencils: Smooth, creamy, and oil-based, with a gorgeous color laydown; the thick, superior core applies color densely, bringing life to any drawing. The best paper to use for creating Lightfast blending techniques when sketching, coloring, crafting, and designing at home, in the studio, or on location is Derwent Lightfast Paper. 36 x Derwent Lightfast Coloring Pencils are included. Tin, easily graspable