ARCHES WC PAPER BLOCKS Arches watercolor paper has been milled in Lorraine, France since 1492. Arches watercolor paper has been used to publish the complete works of Voltaire and Napoleon s Description of Egypt. For over five hundred years Arches fine art paper has been the choice of fine artists the world over. Arches art paper has maintained the beauty, quality and performance that artists have relied upon for centuries. Each and every sheet of Arches watercolor paper is hand inspected to ensure that you receive the most consistent, durable and beautiful paper available to paint on. Imagine the centuries of knowledge and care that goes into each and every Arches watercolor block. Arches watercolor blocks are made from the same fine watercolor paper sheets that Arches sells the world over. Each watercolor block is carefully assembled to provide you with a consistent and durable painting surface. Each Arches watercolor block contains 20 sheets of 140# cold pressed paper per block. Try an Arches art paper block for your art supplies and see why Arches has been the choice of artists for centuries.