Daypacks are a variety of types of bags that could be used for a day trip or the carrying of items throughout the day. This category will include (but is not limited to): backpacks, fanny packs, and messenger bags.
About Luggage:
Luggage is any number of bags, cases and containers which hold a traveller's articles during transit. Types of luggage include suitcases, duffel bags, and tote bags. Today many types of luggage have wheels as an added convenience.
