Heavyweight, 65 lb. acid-free paper is perfect for greeting cards, postcard, report covers, rubber stamping, memory books, flyers, announcements and more. Lignin free and buffered. Assortment contains five solid colors: Pumpkin, Hyper Yellow, Rojo Red, Cobalt Blue, Violet. Acid-free and recyclable. Each pack includes 100 sheets. Each sheet measures 8.5" x 11" .