10 Dark Black Smooth Card/Cover Sheets - 12" X 18" Large|Poster Size - 80# (80 lb/pound) - 12X18 Inches Cover Weight Fine Paper for Quality Results on a Smooth Finish 80# Cover is twice as thick as a sheet of 28# printer or 70# text paper - 3 times as thick as 20# DARK BLACK COLOR paper with a smooth surface. High tech milling. Ultra dark color. The SURFACE is smooth, making this paper good for invitation & announcement cards ARCHIVE FRIENDLY Acid-Free and Lignin Free Recycled paper - 30% post consumer waste - keepsakes THOUSANDS of HAPPY CUSTOMERS have appreciated the quality paper and good service we provide.