The product is a hardcover textbook titled "Design Patterns: Elements of Reusable Object-Oriented Software" published by Addison Wesley Professional in 1994. Written by authors John Vlissides, Ralph Johnson, Richard Helm, and Erich Gamma, the book falls under the subject areas of Computers, Programming/Object Oriented, and Computer Vision & Pattern Recognition. With a total of 416 pages, this textbook is part of the Addison-Wesley Professional Computing Series and is a valuable resource for those interested in object-oriented software design patterns.