Zig-Clean Color Real Brush Markers. Clean Color Real Brush pens are great for illustrating and sketching. The brush tip makes it easy to create both narrow and wide lines. This 6-3/8x6-1/4x2-1/4 inch package contains thirty-six clean color real brush markers in Black, Light Carmine, Carmine Red, Pink, Light Pink, Pale Pink, Blue, Cobalt Blue, Persian Blue, Deep Blue, Green, Light Green, Olive Green, Deep Green, Pale Green, Mid Green, May Green, Yellow, Bright Yellow, Brown, Dark Brown, Oatmeal, Mid Brown, Mustard, Orange, Flesh Color, Beige, Violet, Light Violet, Gray, Light Gray, Blue Gray, Green Gray, Gray Brown, Dark Gray and Mid Gray colors. Xylene-free.