Hammermill Paper, Copy Paper Poly Wrap, 8.5 x 11 Paper, Letter Size, 20lb Paper, 92 Bright, 1 Ream / 500 Sheets (150010R) Acid Free Paper Perfect for everyday printing - internal documents, black and white printing, proofing, forms, and manuals. Economical printer paper with a 92 brightness. 99.99% Jam-Free Guaranteed - we guarantee you will not experience more than one jam in 10,000 sheets on your high-speed digital equipment or we will replace your paper or refund your purchase price Acid-free paper prevents yellowing over time to ensure a long-lasting appearance for added archival quality. Made in the USA - for over 100 years, we have produced high quality copy paper that works well and makes your work look good at home, at work or in school. Sustainable Forestry Initiative (SFI) Certified The Hammermill brand is going through a packaging change, be on the lookout for our new reams. Packaging design may vary as we roll through the transition.