Packed Up (Backpacks) Mod 1.18.2/1.16.5/1.12.2 has added to the game the possibility to craft new cool Backpacks. It is helpful for you to handle your inventory issues.

More info about Packed Up (Backpacks) functionality
The following details will help you learn much more about the mod.
In fact, you’re able to create and carry your stuff with you while moving around rather than unpleasant chests.
With the new backpacks, it’s easier for the player to travel throughout the realm and even discover dungeons.
The main objects can be usable with Baubles and Curios.
You can open them by using a keybind.
Backpack Types
Standard Backpacks
It is an item that is ideal for 3 rows of storage.
Iron Backpacks
It is the result when you upgrade the Standard Backpacks.
It can contain 4 rows of storage.
Copper Backpacks
You should upgrade from the first kind.
Like Iron Backpacks, it can include 4 rows of storage.
Golden Backpacks
Upgrade from Iron/Copper Backpacks
Allow 5 rows of storage
Silver Backpacks
Its abilities are similar to the Golden one.
Diamond Backpacks
Upgrade from the Golden or Silver Backpacks
Store 7 rows
Obsidian Backpacks
Upgrade from the Diamond one
With 8 rows of storage
Instruction
Hold the backpack
Right-click when keeping down SHIFT
Enter the name you want in the text field
How to open a backpack from inside a backpack
Right-click a backpack to open it
Right-click on another backpack in your inventory
Packed Up (Backpacks) is a storage mod that requires Minecraft Forge.
Screenshots