Southworth 25% cotton business paper, 8-1/2″ x 11″, 24 lb, natural, 500 sheets/pack business paper with a wove finish offers 25 percent cotton content for texture and crispness. Each sheet is watermarked and date-coded for authentication. Acid-free, lignin-free paper is compatible with laser printers, inkjet printers and copiers. this product arrives to most customers in 2-3 business days.