Introducing the the first 100% cotton black watercolor paper! Stonehenge Aqua ColdPress Black will bring your metallic paints, pearlescent inks, and interference watercolors to life. This 15 sheet, 9" x 12" pad is acid and chlorine free, pH neutral, and vegan too. 300gsm, 140 lb sheets accept multiple layers of pigment without sacrificing color vibrancy. Although sized for watercolors, this paper welcomes gouache, acrylics, alcohol inks, and a myriad of drawing media as well. Try using Stonehenge Aqua ColdPress Black with Gansai Tambi metallic watercolors for spectacular results.