Make your dreams come alive using these authentic, semi-moist watercolor refills for Prang Half-Pan Watercolors (sold separately). Intense, wax-free pigments deliver a smooth laydown of brilliant color with limitless textures. It is even easier to ignite your passion with these refill pans to match your preferred colors. Square, half pans are easy to snap in.Make your dreams come alive using these authentic, semi-moist watercolor refills for Prang Half-Pan Watercolors (sold separately). Intense, wax-free pigments deliver a smooth laydown of brilliant color with limitless textures. It is even easier to ignite your passion with these refill pans to match your preferred colors. Square, half pans are easy to snap in.