This Silvine carbonless duplicate memo book is a great way of creating duplicates of written notes for receipt purposes or for any form of note that requires a duplicate copy. They measure 124x213mm so it is a handy size to be kept in a pocket or carried easily in a bag. Great for self employed field based workers giving quotes, receipts or taking order details. Carbon sheets are not required , just place the card included underneath the copies to make sure only one copy is produced. They are numbered 1 to 100 so that they can be easily matched up afterwards, and ruled to keep text neat and also perforated for easy removal from the side bound pad.. 214x125mm. Index sheet. Ruled feint. Numbered 1 to 100. Perforated . No Carbon Required