The U.S. Mail Carrier Pup Dog Costume in size large is a Halloween costume designed for dogs by California Costumes. The costume features a blue color and is themed around Halloween and occupations, specifically depicting a mail carrier. Made from mixed materials, this costume is perfect for pet owners looking to dress up their furry friends for Halloween celebrations. The design is suitable for all dog breeds and is sure to bring joy and fun to both the dog and its owner during the festive season.