TWSBI Vac 20A Ink Bottle - Blue Color__Summer Storm__robert-oster-signature-summer-storm-50ml-bottled-ink-for-fountain-pens each pen features a matte

each pen features a matte finish with a distinctive retro-patterned center band

Sailor Shikiori Bottled ink in Kin-Mokusei Specifications:

it offers a balanced and comfortable writing experience

Its rounded profile fits snugly into the writer's hand providing a comfortable writing experience

or red ink

TWSBI Vac 20A Ink Bottle - Blue Color__Summer Storm__robert-oster-signature-summer-storm-50ml-bottled-ink-for-fountain-pens each pen features a matteThis travel size, 20ml capacity ink bottle is meant to be used with the vacuum filling TWSBI (commonly pronounced "twiz bee") Vac700R, and Vac Mini fountain pens. However, it can also be used as a travel inkwell for all other types of fountain pens. The three part cap provides a snug fit for the vacuum filling TWSBI pens. The upper cap is compatible with the TWSBI Vac Mini. The Middle cap works with the TWSBI Vac700R. The lower cap is for all other