The product is a hardcover textbook titled "Calculus" by Gilbert Strang. It is intended for a college audience and provides detailed explanations of single variable and multivariable calculus. The book includes many diagrams, key examples, and applications of calculus to physics, engineering, and economics. It is well organized and includes an instructor's manual and student guide available online. The book covers topics such as derivatives, integrals, exponential and logarithmic functions, vectors, and matrices, making it a comprehensive resource for students studying mathematics.