Boise Aspen 50 Multi-Purpose Letter Size Paper 8-1/2" x 11" premium paper works well in most printers, copiers and all-in-one systems. Features 92 brightness for crisp, clean text. Acid-free paper won't yellow or fade over time. 20 lb paper is ideal for everyday use. Forest Stewardship Council® (FSC®) certified made from wood/paper that comes from forests managed to rigorous environmental and social standards, supported by the world's leading conservation organizations. Greener choice contains 50% postconsumer recycled content.