Specifications:    This is a portable compact fountain pen, soft brush pen. Improved design will store more water in the stem, and you will hold it more comfortable. It is a good companion for painting/color drawing/illustration, whether you are beginners, painting enthusiasts or professional person. Children can practice calligraphy with it, or arbitrary drawing. Easy to carry out when painting, and adding water. Drawing & writing are good ways to purify your heart. Item Name: Watercolor Brush Pen Material: Nylon + Plastic Nib: Flat/compatible with Sharp Features: Soft, Stationery, Easy to Use Pen Length: 12cm/4.72" (Approx.) Pen Length: 15.5cm/6.1" (Approx.) Pen Length: 18cm/7.09" (Approx.) Brush Length: 1.2cm-1.8cm/0.47"-0.71" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Watercolor Brush Pen This is a portable compact fountain pen, soft brush pen. Improved design will store more water in the stem, and you will hold it more comfortable. It is a good companion for painting/color drawing/illustration, whether you are beginners, painting enthusiasts or professional person. Children can practice calligraphy with it, or arbitrary drawing. Easy to carry out when painting, and adding water.