Arches Watercolor Block - 140 lb. Cold Press, 11" x 14"Arches Watercolor Blocks are full of 100% cotton paper of the highest quality that has been glued on all 4 sides. The convenience of painting on a block eliminates the need for stretching, so the paper is ready to use. Simply paint directly on the block and let the paper dry before removing. Each Arches block contains durable acid free, pH neutral, and air dried paper which has been sized to the core with natural gelatin sizing. If stored and handled