72 Derwent Lightfast Coloured Pencil Professional Tin Set Pencils Light FastDescriptionSpecificationsShipping Derwent Lightfast pencils have been formulated to be 100% lightfast. The revolutionary core is resistant to prolonged colour change ensuring artwork will not fade for up to 100 years under museum conditions. Its smooth oil base creates a rich vibrancy and can be mixed on the page to create a paint like effect. Discover this range of colours which are compatible with alternative mediums and pencils. All colours are