Eco-Pens
Agile Home and Garden Eco-Friendly Pens - Recycled Paper Pen Set, Eco-Friendly Ink Pens, Pack of 50 Eco Pens - Eco-Friendly School Supplies, Eco Office Supplies Ink Pens
$23.00
++ RECOMMENDED++
I like these pen because they are eco friendly by not using any plastic. They have a consistent ink and a miniature size (length) that makes them easy travelers. The ink storage is relative to the size of the pen.
AMAZON LINK
https://www.amazon.com/gp/product/B08FV9TY4K/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1