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

5-color set [fluorescent series] 5-color set [natural style] 5-color set [gentle style] 5-color set [elegant style] 5-color set [sunny style] 5-color set [light smoke series] 5-color set [steady style] 5-color set [retro] 12-color set [vibrant collection] 12-color set [eye-care series] 12-color set [illusionary series] 15-color set [iridescent collection] 15-color set [starry sky collection] 15-color set [neon collection] 18-color set [starry sky series] 18-color set [premium color series] hi-906-35a hi-906-35b hi-906a-5 （dark color） hi-906a-5 （light color） hi-906a-5 （warm elegant color） hi-906a-5 （clear color） hi-906a-5 （mild color） hi-906a-5 （fluorescent color） hi-906a-5 （natural color）

double-headed