Premium Multipurpose Paper is a versatile sheet designed to run effectively through all office equipment. 99.99 percent jam-free paper runs smoothly & delivers quality performance. The high brightness & heavy basis weight combine to produce high-quality documents. This paper is ideal for reports, proposals, newsletters, direct mail, correspondence, forms, invoices & faxes. ColorLok Technology delivers brighter colors, bolder blacks & faster dry times. 20 lb. paper is brighter & whiter than ordinary copy papers for sharp, high-contrast images. Blacks are up to 60 percent bolder, & colors up to 30 percent more vivid.