Boise Aspen 50 Letter Size Multi-Purpose Paper 8-1/2" x 11", creates sharp prints for every document or project. Ideal for use with high-speed copiers, inkjet and laser printers and plain-paper fax machines. Acid-free paper won't yellow or fade over time. Paper weight is ideal for everyday use. Forest Stewardship Council (FSC) For wood/paper products from forests certified to the "gold" standard of responsible forestry. Forest Stewardship Council (US-0081) Certification ensures responsible use of forest resources and it provides assurance that the fiber in this paper comes from forests that are well-managed to protect biodiversity as well as the livelihoods of the people who depend on those forests.