A laptop bag is a protective case designed to carry and store a laptop computer. These bags come in various styles, sizes, and materials, including fabric, leather, and nylon. They often feature padded compartments to safeguard the laptop from bumps and drops, as well as additional pockets for accessories like chargers, mice, and documents. Many laptop bags are designed for comfort and convenience, with adjustable straps and handles for easy transport. Some bags are specifically made for certain laptop sizes, while others are more universal. Popular brands include Targus, Samsonite, and Incase, each offering unique designs and functionalities.