The Stonehenge Aqua Hotpress Paper Pad-White is smooth and silky. Water permeates the paper slowly, allowing time for fine details and subtle color graduations. Suitable for calligraphy, intaglio, letter press, pen and ink, pastel and charcoal, silkscreen and watercolor. It's 100% cotton, and acid free. This pack contains fifteen 7 x 10-inch sheets.