Prismacolor Premier Colored Pencils are professional grade color pencils. Each colored pencil features a thick, soft core made from brilliant, light-resistant pigments, to ensure smooth, rich laydown and color saturation. The colors are easily blended, slow to wear, break-resistant, and waterproof. Each 3.8 mm core is enclosed in a round cedar casing that is lacquered to match the core. This set includes 12 vibrant colors.