The next must have wardrobe item is a work tote or everyday hold all. The word tote means carry. Boy do I carry everything but the kitchen sink with me! Traditional totes have two handles but given the enormous array of merchandise on offer this is just a descriptive.
The deciding factor here has to be ease of getting to the contents of the bag quickly -without wanting to hurl the bag down onto the pavement due to any abyss like behavior being exhibited by not finding keys etc.
A bag showing abyss like tendencies generally remains in the dark recesses of the closet.
Take a read at the stir caused when Balengiaca showed off a bag which resembled an IKEA blue bag Read here.