This white ledger paper has 92 brightness. Ideal for interoffice memos and letters. Aspen 30 multi-use paper is designed to work beautifully in high-speed copiers, fax machines and printers. 20-lb paper is ideal for everyday use. Ledger paper in a case of 5 reams. Boise ASPEN 30 paper is acid-free copy paper that features a professional appearance as well as convenience through machine compatibility.