· Black oily Permanent Marker for writing on various surfaces 

· Can be used for various materials such as CD, plastic, rubber, wood, metal, film, bag, shoes, acrylic, glass, etc. 

· Strength that cannot be erased even on uneven or slippery surfaces 

· Use it freely at home, in classrooms, offices, and indoors because it smells little 

· It can also be used for a long time as a strong special nip that does not become dull to use clear handwriting. 

· Convenience in use as there is no smearing due to the use of special inks with strong adhesion to the surface and vivid colors 

· Waterproof, stain-resistant, and less discoloration after drying, allowing semi-permanent expression 

· Soft writing feeling with round nip type It can be easily carried by plugging in or hanging with a clip-type lid.