Heavyweight 65 lb. acid free cover. Perfect for greeting cards, postcards, report covers, rubber stamping, memory books, flyers, announcements and more. Lignin free, buffered. Laser and inkjet printer compatible. Acid-free and recyclable. Assortment includes: Ivory, Black, White, Violet and Cobalt Blue. Each pack includes 100 sheets. Each sheet measures 8.5" x 11". Sold as 2 packs for a total of 200 sheets.