Colored paper is ideal for coding office documents and for adding pizzazz to flyers and promotional materials. Universally compatible design delivers smooth trouble-free inkjet and laser office machine as well as offset press and spirit duplicator feed-through. Acid-free manufacturing ensures archival-quality results. Paper Color(s): Gray Paper Weight: 20 lbs. Sheets Per Unit: 500 Rolls Per Unit: N/A.Unit of Measure : Ream