Each Fredrix Watercolor Canvas Pad is made of 100% woven cotton with a special coating that performs similiar to the rough texture of cold pressed watercolor paper, while providing a distinctive look that can only be achieved on canvas. Fredrix watercolor canvas pads accept all watermedia and mixed media techniques, including acrylic and watecolor inks, transparent and opaque watercolors, fluid acrylics, and even watercolor pencils. Fredrix watercolor canvas pads will also work with traditional acrylic paints in different viscosities. These durable pages are perfect for both indoor and plein air painting, and are guaranteed to be 100% archival quality.