Supracolor Soft Aquarelle Pencils are professional quality water-soluble colored pencils with exceptional covering power and excellent lightfastness to meet the most exacting demands of artists and illustrators. Use them wet or dry for unlimited blending techniques. Supracolor pencils have a thick 3.7 mm core and a hexagonal shape. The pencils are pre-sharpened. Sets come in hinge-lid metal gift boxes. Made in Switzerland.