NEW product! Save money with our high quantity slip booklets! Each book contains 300 slips - Twice as many as our standard Tardy Slip Book.We are now manufacturing our slip books in larger quantities of slips/book to not only reduce your cost, but this new format enables us to provide the top copy in a color that is not easily duplicated. The top copy is now green with the yellow duplicate remaining in the book. Each slip measures 4.25" x 2.75".