100-Pack Lightfast Pencils

Derwent Lightfast Pencils are formulated to be 100% lightfast, meaning the core is resistant to colour change and will not change for up to 100 years under museum conditions. A revolutionary oil-based core creates a buttery, velvety texture that allows for complete integration of colours.Includes 100 Lightfast Pencils in assorted colours. Characteristics: mix with a paintbrush directly on paper or canvas to create a paint-like effect darker colours will sit on top of lighter shades for effective contouring and definition of negative spaces ideal for use on coloured papers due to their opacity all colours comply with ASTM D6901, the internationally recognised lightfast testing standard, as well as the ISO 105 Blue Wool Scale