FIREWORX Colored Cover StockRich color gets any type of communication or project noticed. Acid-free for archival quality. Use as a companion to FIREWORX® Colored Paper. Perfect for color coding, announcements, invitations, signs and dividers for manuals/reports. Paper Color(s): Bottle Rocket Blue™; Sheet Size: 8 1/2 x 11; Paper Weight: 67 lb.