Perforated Invoice Paper 5040, 8.5 x 11", 20 lb., White 92 Bright, Pack of 500 Sheets. Compatible with Printworks 04124 PRB04124. One horizontal micro perforation 3-2/3" from bottom. Clean micro perforations leave smooth edges after sheets are separated. Compatible with most business and accounting software for simple, easy processing. Paper is compatible with laser printers, inkjet printers, digital printers and copiers. Cost-effective solution for printing invoices with a tear off remittance form. Priced per pack of 500 sheets.