Designed for use with software that prints the entire check, bank information & MICR numbering. Our blank top laser checks cost less than custom printed business checks & work easily with your financial software! Sheet format fits all standard laser & inkjet printers. Built-in security: Includes features such as chemically sensitive paper, erasure protection, back printing security screen & warning box. Check color: Choose from several standard colors. SIZE: 8 1/2 x 11"