The product is a textbook titled "Design Patterns: Elements of Reusable Object-Oriented Software" from the Addison-Wesley Professional Computing Series. Published in 1994 by Addison Wesley Professional, it covers the subject areas of programming, object-oriented design, and computer vision & pattern recognition. Authored by John Vlissides, Ralph Johnson, Richard Helm, and Erich Gamma, this hardcover book is 416 pages long and written in English. Designed for computer science students and professionals, this textbook provides valuable insights on designing reusable software components using object-oriented principles.