Knapsack 
To dream of a knapsack represents your ambitions, wishes, and kept secrets. It also symbolizes the emotional baggage, concerns, and obligations that are weighing you down.
Bag
To dream about a bag signifies emotional weight that you are carrying. If the bag is tattered, it means that your troubles are quite heavy.
A dream about a bag loaded with clutter is a symbol of stress and complication. You must find a way to reduce the weight.
Backpack
To dream about seeing or carrying a backpack signals worries about choices and encumbrances.
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