Personalize your life with the newly released 2win oil-based pen from Kirarina. Each double-sided pen comes in two original Kirarina colors. These pens stick to any surface and come in a wide range of vibrant colors. The variety of colors allows you to customize your arts and crafts, accessories and much more! This product is fun on a variety of surfaces, including paper, photo, glass, plastic, and cloth. When using these pens on glass, the darker colors will show up better. Not dishwasher safe.