Hydration bags are bags that include pockets, pouches or tubes for the storage of liquids (usually intended to be water) for use during athletic activities.
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.
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