A bob wig refers to a type of wig that is designed with a short hairstyle characterized by its straight and even cut, typically ending at jaw or shoulder length. The "bob" hairstyle has been popular for many years and is known for its simplicity and versatility. A bob wig allows individuals to change their hairstyle temporarily without committing to cutting their natural hair. It is a popular choice for fashion, style experimentation, or as a convenient option for those who prefer shorter hair without making a permanent change to their own hair length.