The product is a book focusing on the war materials used by the Viet Cong in South Vietnam. This collectible item delves into the history and tactics of the Viet Cong, providing insights into their use of weapons and resources during the period of conflict. It includes detailed information about the types of materials used, as well as their impact on the outcome of the war. This product is of interest to collectors and history enthusiasts looking to learn more about this specific aspect of the Vietnam War.