Bag of Many Needs

This backpack always contains the contents of an Adventurer's pack. Any items removed and not replaced within an hour fade from existence and reappear inside the bag.

Once per day, you can reach inside the backpack and pull out a single item you require that has a value up to 50gp and will fit inside the bag, excluding magical items and biological materials. Attempting to pull out an item of greater value will create a replica worth 10gp.

This acts as a standard backpack otherwise.