11:03 PM, Friday August 7th 2020
They are the sakura gelly roll moonlight pens. They come in a thick and thin sizes.
This is the thick size:
And this is the thinner size:
https://www.amazon.com/gp/product/B00IST4R40/ref=ppx_yo_dt_b_asin_image_o01_s00?ie=UTF8&psc=1\
And here are the white ones that I like to buy in sets of 3 and 3 different thickness:
https://www.amazon.com/gp/product/B07BXTNNPR/ref=ppx_yo_dt_b_asin_image_o03_s00?ie=UTF8&psc=1
These are the glittery ones:
There are other colors of gelly roll pens but these are the ones that will work on black or dark paper. Hope this helps. I'd love to see what you make with these so send me a message if you end up buying them.