The Bonheur Constant Pen Case is a very cute and well made pen case. You can use the Bonheur Constant Pen Case to store your pens and other art supplies you may have. The Bonheur Constant Pen Case is very easy to carry and features a very colorful design. The Bonheur Constant Pen Case also features an elastic band to keep your art supplies intact with a zipper to help you secure everything inside the pen case. Please check out the photos to learn more!