Pack items in 3 tiers.

Research after logistics. First tier packs half a stack.

Second tier packs 5 tier 1 packs.

Third tier packs 4 tier 2 packs.

The packed items stack to 5, giving you a small buff to transport.

Packing can chest can hold 500 packed items per slot, making it a great bulk storage solution.

Packers treat fluids as having 50 stack size (same as barrels). Every item can be packed.

Settings can be modified to provide less tiers, and to hide the compression recipes from players handcrafting.

The graphics of the mod are done by O5MO (https://mods.factorio.com/user/O5MO), check their page!