Colored Pencils for Adult Coloring Books by Chroma Fine Art, Set of 48 Oil Based Coloring Pencils in Protective Case, Colored Pencil Set with Numbers on each pencil for easy use with a color chart HIGH QUALITY OIL BASED colored pencil set with Large 3.3mm professional grade lead size for drawing, sketching, and adult coloring. COLOR NUMBERS on each pencil for easy reference with a color chart! PROTECTIVE PENCIL CASE - keeps tips well protected from breaking, and handy when on the GO! 48 UNIQUE COLORS - NO REPEATS. White and Black included. Smooth laydown, vibrant hues, and blendable for wonderful shading. PERFECT coloring pencils for professionals, students, and home artists alike. Great for adult coloring!