Pacon Card Stock, 8 1/2 inches by 11 inches, Black, 100 Sheets (101187) Heavyweight 65lb card stock Black color Card stock measures 8 1/2 inches by 11 inches Perfect for a variety of paper projects Compatible with laser, inkjet and offset printers and photocopiers Heavyweight 65lb acid free cover Lignin free, buffered Recyclable Heavyweight cover paper is perfect for greeting cards, postcards, report covers, rubber stamping, memory books, flyers, announcements and more Most laser printers and copiers accept this acid-free, lignin-free paper when put through the manual feed 65 lb