Transform colored pencil artwork into stunning watercolor paintings with artPOP! Premium Plus Watercolor Pencils. Perfect for artists looking to take their work to the next level, these professional-grade sets feature thick, highly pigmented 3.5 mm cores ideal for outlining, shading, layering and blending. Simply pass a wet brush over the dry pigment for flowing watercolor effects and seamless gradients. Round, unpainted wooden barrels feel great in the hand and sharpen cleanly to neat, fine points.