Tombow Fudenosuke Pen Set feature a pack of 6 firm tip brush lettering pens in assorted neon colours. Whilst the tip is firm it does offer some flexibility working beautifully for different lettering and drawing techniques including writing Chinese and Japanese characters. Create extra fine, fine or medium brush strokes by changing brush pressure. Barrels are made of recycled polypropylene plastic. Contains water-based, pigmented ink. Once dry the ink is waterproof. Non-refillable. Odourless.