A travel backpack is a versatile bag designed for carrying personal belongings while traveling. It typically features adjustable straps, multiple compartments, and a durable exterior to withstand various weather conditions. Travel backpacks come in various sizes, allowing users to choose one that fits their needs, whether for a weekend trip or a longer journey. Many travel backpacks also include special features like padded laptop sleeves, hydration reservoirs, and lockable zippers for added security. They are popular among hikers, campers, and students due to their comfort and practicality, making them an essential item for anyone on the go.