Heavyweight 65 lb. acid-free card stock is perfect for greeting cards, postcards, report covers, rubber stamping, memory books, flyers, announcements and more. Sheets are lignin free, buffered, and laser and inkjet printer compatible. About us: Pacon is part of the Dixon Ticonderoga family of products which teach, learn, and create. Find classroom art supplies such as crayons, paints, markers, pencils, construction paper, and crafts as well as fine arts supplies including watercolors, acrylics, oils, pastels, brushes, and papers.