Hammermill's most popular paper among large offices and in-plant shops where dependability is critical. Helps eliminate misfeeds internal jams and uneven stacking which means less downtime service calls and missed deadlines. So reliable it has a 99.99% JAM-FREE™ Guarantee. Acid-free for archival quality. This product was made from wood that came from a certified managed forest. Size: 8 1/2 x 14; Paper Color(s): White; Paper Weight: 20 lb; Sheets Per Unit: 500.