artriink fluorescent marker students use double-headed marking pen color thickness notes to draw journal pen japanese style luminous pen

5-color suit [fluorescent series]] 5-color suit [natural series]] 5-color suit [gentle series]] 5-color suit [warm and elegant]] 5-color suit [elegant series]] 5-color suit [sunny series]] 5-color suit [light smoke series]] 5-color suit [calm series]] 5-color suit [retro]] 12-color suit [eye-catching series]] 12-color set [eye protection series]] 12-color suit [fantasy series]] 15-color suit [magic color series]] 15-color suit [starry sky series]] 15-color suit [neon series]] 18-color suit [star series]] 18-color suit [zhencai series]] hi-906-35a hi-906-35b hi-906a-5 （dark） hi-906a-5 （light color） hi-906a-5 （warm and elegant） hi-906a-5 （clear color） hi-906a-5 （mild color） hi-906a-5 （fluorescent color） hi-906a-5 （natural color）

double-headed