Phone covers are protective accessories designed to shield mobile devices from damage. They come in various materials, such as silicone, plastic, and leather, offering different levels of protection against drops, scratches, and everyday wear and tear. Many phone covers are also designed to enhance the phone's appearance, featuring a range of colors, patterns, and styles. In addition to protection, phone covers can provide added functionality. Some covers include features like card slots for storing credit cards or cash, while others may have built-in stands for hands-free viewing. Popular brands like OtterBox and Speck are known for their durable and stylish phone covers.