This one ( https://www.amazon.com/gp/product/B073QN2M8S/ ) is just for the GPI Case. There is no room for anything else.

The second one holds all my GPI related stuff and the GPI itself

As seen here - https://imgur.com/a/qKdIPN1

I am using this one - https://www.amazon.com/gp/product/B073QN2M8S/

If you cut out the mesh and flap, it fits perfectly.