A duffle bag is a large, cylindrical bag made from durable materials, often used for travel or sports. It typically features a zippered opening at the top and may have handles or a shoulder strap for easy carrying. Duffle bags come in various sizes and designs, making them versatile for different activities, such as gym workouts or weekend trips. These bags are popular among travelers and athletes due to their spacious interior, which allows for easy packing of clothes, gear, and other essentials. Many duffle bags also include additional pockets for organization, making them practical for both short and long journeys.