Product name: Cigar Arai-shu（洗い朱）　[no.01005] (Portable)
Price: US$700
Total weight: 20.0g
Body weight: 15.0g
Total length: 150.0mm
Barrel length: 128.0mm
Max diameter: 15.0mm
Barrel material: Ebonite
Description: The portable size is the standard one of our fountain pens. It has a very simple design with no rings or something between the cap and body.
This is the perfect length for everyday use and has a balance of portability and comfortableness of writing.
The total length is the same as Dorsal fin series, Ryogiri, Decapod series, and Neostandard. The length without cap will be the same as Decapod series.

The color "Arai-shu" is a different kind and quaint brighter vermilion from "Shu (vermilion)". "Arai-shu" means a light vermilion color because the color becomes lighter after washing the dyed cloth. The color can be said close to orange red. The color range is wide, from a vermilion like reddish color to a salmon pink kind of color are called "Arai-shu".
It is one of the colors that became popular in the late Edo period with the revival of Yamato-e.