Duffels are rectangular bags with handles and typically a shoulder strap. Duffels are often made of nylon or leather and used for short trips or commonly used as a Gym Bag.
About Duralite:
Duralite is a laminated fabric made of high-strength synthetic fiber strands. Because of its light weight, resistance to abrasion, and exceptional strength and durability, Duralite fabrics have many different industrial applications but are known to be more commonly employed in the manufacturing of luggage, bags and canoes.
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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