Bring out your best works of art with Ecoline Watercolor Brush Pens. These user-friendly pens add brilliant color to your creations whether you’re designing the latest fashions, developing new products, illustrating characters, or writing a message in calligraphy. Their dye-based formula produces vibrant color, and you can achieve painterly effects by adding a touch of water. The paint is not waterproof after it dries and may be reactivated with water for further working. For the best results, pair these brush pens with Royal Talens Ecoline Paper or your favorite watercolor paper.