water-based

Tactic Writer Blue makes a great day-to-day pen. The 0.5mm tip makes this pen perfect for scribbling down notes, underlining or getting creative. The plastic tip and water-based ink will give you a super-smooth writing experience. The retro Penco aesthetic will make you feel nostalgic for the pencil-case of your school days when gel-pens smelled like sweets and the more colour the better.Measures 0.5mm Nib Features Water-based ink. Made in Japan