Backpack that can fit in your pocket

And it will only ever be that size once

Yeah but how will u get it that small again? Does it have a little pull-string?

Link please.

LInk: https://matadorup.com/?variant=27702420486

Then why not put a shitton of those in your backpack that you keep in your pocket, actually just keep repeating this and find some way to get energy from this, then, infinite energy in your pants pocket *collapses in thermodynamics

this explains some video game characters

Does it fit inside itself?