Dog masks are specially designed coverings that fit over a dog's face. They are often used for various purposes, including preventing barking, protecting the dog from biting, or keeping them calm in stressful situations. These masks can be made from different materials, such as fabric or plastic, and come in various sizes to accommodate different breeds. Some dog masks are also used for fun, such as during Halloween or costume parties. They can feature playful designs, like animal faces or cartoon characters, making them a popular choice for pet owners who want to dress up their dogs. However, it's essential to ensure that the mask fits properly and does not restrict the dog's breathing or vision.