An economical paper designed for everyday use at offices large and small. A great choice for high-volume runs and general copying. 99.99% JAM-FREE? Guarantee. ColorLok? for bolder blacks, brighter colors and faster drying. Flat, smooth surface for consistently reliable performance. Acid-free for archival quality. Size: 11 x 17; Paper Color(s): White; Paper Weight: 20 lb; Sheets Per Unit: 500.