JOTBLOCK travel postcard watercolor pencil setDETAILS Post your adventures old school style with our watercolor pencil travel postcard sets. These portable studios include everything needed to create a mini masterpiece or sketch out a memory to send to friends and loved ones. Watercolor pencils can be used dry as colored pencils, or with water as watercolor paints. A metal snap closure wraps around a multi fold charcoal felt pouch to contain contents securely; toss into your backpack and spread