slow panther
a.k.a. What I thought baffles would be from their name, before seeing them. Small protrusions along the walls that reduce cargo shifts during manoeuvres, and discourage but don't outright prevent loss through an open door. The attached image shows what I mean. I think their size should be minimal because they're not really that beneficial anyway (in an ideal world they would have tunable density and size but I don't suppose that's worth dev time).
obtuse herald
Depending on the dimensions of the cargo hold this might go between doing absolutely nothing to really annoying when trying to get chunks into a MP, with the Antonov being the ever present exception.
ruby glen
Depending on the dimensions of the cargo hold this might go between doing absolu...
You can't use mpu and vanilla cargo baffles at the same time (unless you use mods)