15 Earthy Birch Fiber 80# Cover Paper Sheets - 12" X 18" (12X18 Inches) Large|Poster Size - 80 lb/pound Card Weight - Creamy off White Color with Natural Fibers - Smooth Finish For rigidity and firmness, this 80# Cardstock Cover is twice as thick as a sheet of 28# printer|writing paper or a 70# text|offset paper. 216 gsm (grams per square meter). Calipers at .011 inches. Even this thick, it works with most ink jet printers and with laser printers which print slower or have a higher temperature to fuse the toner to this thicker card stock. With characteristics Similar to Handmade paper, intriguingly subtle darker specks from small fibers of pulp are randomly distributed throughout each sheet, giving them the natural look of a fibrous handmade paper. But without sacrificing the systematized accuracy of high tech paper milling for consistent results. The Printable Surface which is fairly smooth makes this paper fun to use in your card making, artwork, handwriting and hand crafting, stamping, scrapbooking, and other enjoyable craft projects. Discover how a natural tone will make your colors more earthy than they would look on bright white paper. Earth tone enthusiasts, even for certain projects, like the natural fibre and unpretentious earthy look. Acid-free and Lignin free Recycled paper with 30% post consumer waste, as good stewards of the environment. A great mix of recycling and processing to get the just right native look of fibers poured and pressed into paper. They make some of the best invitations and cards which may become keep sakes. THOUSANDS of HAPPY CUSTOMERS have appreciated the quality paper and good service we provide.