Classic design, beautiful and generous appearance, smooth writing. 
Feel comfortable, large ink reservoir, the ink can be added to replace the tip. 
Unique formula, the unique design prevents pen ink sac volatile. 
PP material and excellent airtightness, and to ensure the use of longer retention time. 
Nib produced with advanced technology, writing a width of about 2mm-5mm 

Environmental design, no pungent smell of ink, hundred percent non-toxic, high-quality fluorescent ink effect. 

Written :Polyester

Structure:Valves direct liquid

Ink technology:Biological integration

Ink reservoir:10-20ML

Writing amount:800-2000M

Scope:Various smooth non-absorbent surface