The product is a set of Adams NC2581 General Purpose carbonless forms, specifically designed for a sales book. This set includes 100 sets with 2 parts, allowing for a total of 3 sets. Made by the brand Adams, these forms are ideal for businesses and industrial use, providing a convenient and efficient way to record transactions and keep track of sales records. The carbonless design ensures that the forms are easy to use and that the recorded information will not be affected by moisture or other environmental factors.