Strathmore Mixed Media Postcards are made from a heavyweight 184lb, 300 g/m2 paper with a vellum surface. The front of the card is left blank for your creations, while the back is printed with traditional mailing markings so that they can be sent. Ideal for watercolor, gouache, acrylic, graphite, pen and ink, colored pencil, marker and collage. Taped pad, with 15 sheets.