Laptop cases, such as those designed for the HP 15 ED, are primarily focused on providing durable protection for the laptop. They are typically made from materials like neoprene, polyester, or hard-shell plastic, ensuring both flexibility and resistance to external impacts. The case is designed to fit 15.6-inch laptops, offering precise dimensions for a snug fit. Inside, they often feature padded compartments that safeguard the device from scratches and shocks. Many cases come with secure zippered or Velcro closures and additional pockets for accessories like chargers, cables, and other essentials, making them a practical solution for on-the-go protection.