Description Acid-free construction for longevity Substantial pack is perfect for classroom, studio and recreation center use Sized perfectly to create landscapes, cityscapes and elaborate scenes Country of origin: United States Package Dimensions : 40.2 x 24.2 x 1.7 inches; 26.25 Pounds Our Recommended age : 8 years and up Item model number : 358454 Date First Available : September 13, 2010 Manufacturer : School Specialty Country of Origin : USA Natural white paper is great for beginners and experienced artists experimenting with new techniques. High quality paper offers uniform whiteness and good working texture. Resistant to repeated washings. Suitable for all wet techniques with watercolor, gouache, and acrylic. Acid free.