Rediform 5L320 Sales Book, 2-Part Carbonless, 50 Sets, Numbered, 5-1/2 x 8-1/2". 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. Two-part forms are consecutively numbered and come in a manifold book with a flexible cover. Paper sequence is originals in white and duplicates in yellow. Form size: 5-1/2 x 8-1/2".
We've been using these for a while; they've gotten hard to find and more expensive