Wristpocket

2nd-Level Conjuration (Ritual)
Casting Time: 1 action
Range: Self
Components: S
Duration: (C) 1 hour

As in Explorer's Guide to Wildemount with the following added:

At Higher Levels. The weight limit of the item within storage increases by 5 pounds and the duration increases by one time increment for each slot level above 2nd. Using a spell slot of 5th level or higher grants a duration that doesn't require concentration.

Source: EGW 190

Changelog

Added upcasting option.
Adjusted upcasting option to use time increments.