Stonehenge Aqua Artist Panels feature 300gsm cold-press paper made from 100% cotton fiber laminated onto a 1/8" thick aluminum panel, providing portability and stability. The Stonehenge Aqua Artist panel is completely archival, acid-free and will not bend in any way. This format allows the professional and aspiring artist to elevate and enhance their creative work. It offers a fresh, clean and contemporary look that is ready to frame. Stonehenge Aqua is fantastic for watercolor, gouache, acrylics and all drawing techniques.