This 1-80 invoice book from U. Stationery includes 2 designs - classic dark grey & dark blue. This product is ideal for small businesses & sole traders.  The inner pages are the same for each book, and both books contain their own carbon paper sheet. The perforated pages ensure the invoices are easy to remove and hand to customers as receipts/invoices, or for filing. The size is approximately A5 - please see below for exact dimensions. 

Pages: 80
Paper Weight: 60gsm
Cover Weight:250gsm Full-Colour Gloss Card
Binding: Perfect Bound, Left Side. Black 
Product Size: 8" x 5", 20(h) x 13(w) x 1(d)cm
Includes carbon paper sheet.