A backpack is a versatile and essential accessory designed for carrying items comfortably on the back. Typically featuring two adjustable shoulder straps and multiple compartments, it provides a practical solution for students, travelers, hikers, and daily commuters alike. Made from a variety of materials such as canvas, nylon, or leather, backpacks are built to balance weight and distribute it evenly across the shoulders and back. Many modern designs include padded sections for laptops, water bottle holders, and ergonomic support, making them both functional and stylish. Whether used for school, work, or adventure, a backpack is a reliable companion for carrying essentials hands-free.