An economical alternative for laser printing service invoices. If your current form looks like this, then ours should align perfectly with your software. / - 8-1/2 x 11 - 1-part, 20# White laser paper - Prints in Red and Blue ink - Available in 1, 2 or 4 color imprint on quantities of 500 and up - Standard ink colors are Red, Blue, Black, Green; other colors available at additional charge - Packaged 250 per pack This is a Service Invoice for the ERA* System.