Prismacolor Premier Lightfast Colored Pencils, Assorted 8-Color (Set of 24)
Complies with ASTM D 6901 for lightfastness. Highest ASTM approved lightfast ratings (I or II). Excellent resistance to the fading effects of prolonged exposure to light. Artists' quality colored pencils for every level of expertise. High quality pigments for rich color saturation. Soft, thick cores are designed a smooth color laydown for superior blending and shading.