Laser Sheets are sheeted labels made to use with many different laser printers such as HP, Xerox and Lexmark. There are also many different size labels made to fit on the standard 8.5" x 11" laser sheet. They come in several collors. Regardless of the size of label, laser sheets are packaged 250 shhets per pack and 4 packs to a case. So you recieve 1,000 sheets of labels per case.