Device cases are protective coverings designed for electronic gadgets like smartphones, tablets, and laptops. They help shield devices from scratches, drops, and other potential damage. Available in various materials such as silicone, plastic, and leather, these cases can also enhance grip and provide a personalized look. In addition to protection, device cases often feature cutouts for buttons, ports, and cameras, ensuring full functionality. Some cases come with added features like kickstands or cardholders, making them more versatile. Popular brands include OtterBox, Speck, and Apple, each offering a range of styles and levels of protection.