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 ten solid colors: Violet, Pumpkin, Hyper® Yellow, Rojo Red, Hyper® Lime, Hyper® Pink, Cobalt Blue, Marine Blue, Emerald Green and Gold. Acid free and recyclable.