Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: Zig Kurecolor Fine & Brush Dual Tip Marker for Manga Comic Art Illustration - Flesh Colour 420
Product description: Zig Cartoonist Kurecolor dual tip markers feature alcohol-based dye that is quick drying and permanent. Use the fine tip for details and the flexible brush tip for coloring. Perfect for manga, rubber stamping, brush lettering and all types of paper crafting projects. Zig KURECOLOR' is a system designed for use by graphic designers and professional artist that offers a choice of 135 colors. The ink type is alcohol based dye, quick drying, xylene free and permanent. This package contains one Flesh Colour 420, 6-3/4-inch long cartoonist dual-tipped cap-top marker. Must be stored in a horizontal position, if they are not positioned correctly this will result in one of the tips becoming dry and unuseable. Imported and conforms to ASTM D4236 standard.
Product feature: These versatile dual tip markers feature alcohol-based dye that is quick drying and permanent, Use the fine tip for details and the flexible brush tip for coloring use on photo-copy paper without blurring, Perfect for manga, rubber stamping, brush lettering and all types of paper crafting projects can be mixed by overwriting to make an intermediate or deep color tone, Must be stored in a horizontal position, if they are not positioned correctly this will result in one of the tips becoming dry and unuseable, Graduations can be made with the available Blender from dark to light shade Conforms to ASTM D4236 standard; single marker in Flesh Colour 420
Product brand: Zig
Target attributes: Quantity
Answer: attribute: quantity
value: None
source: None