That is a example of the largest backpack!
Permissions:
backpack.1 - This sets the backpack to the size: 9x1
backpack.2 - This sets the backpack to the size: 9x2
backpack.3 - This sets the backpack to the size: 9x3
backpack.4 - This sets the backpack to the size: 9x4
backpack.5 - This sets the backpack to the size: 9x5
backpack.6 - This sets the backpack to the size: 9x6
Commands:
/backpack - opens the backpack you have permission for!
Configuration:
drop-on-death: - if this is set to true the content of the players backpack will drop on death.
title: - the title on the top of the backpack, on the example backpack it is "Your Backpack"
per-world: if this is set to true there will be one backpack per world, if it is set to false each world will have a separate backpack
Disclaimer:
Backpacks currently doesn't support enchanted items!