Rediform 5L527 Sales Book, 50 Carbonless Sets, Consecutively Numbered, 4-1/4 x 7". Carbonless, sales book forms offer a simple format to record information with space for customer's information (name and address), date, seller, method of payment and items with their quantity, description and cost. Two other boxes offer a place for the customer's order number and recipient of the merchandise. Carbon coating on back of each original transfers writing to copies. Forms are consecutively numbered and come in a manifold book with a flexible cover.