Acid free cover 175 g/m2 (65 lb) paper. Perfect for greeting cards, postcard, report covers, rubber stamping, memory books and more. Lignin free, buffered. 50 sheets package. Assortment contains ten solid colors: Violet, Pumpkin, Hyper® Yellow, Rojo Red, Hyper® Lime, Hyper® Pink, Cobalt Blue, Marine Blue, Emerald Green and Gold. Recyclable.