These empty pen shells are designed to enhance convenience and efficiency. Their clear structure allows users to monitor ink levels easily, ensuring uninterrupted writing. Ideal for students and professionals, they are a practical addition to stationery collections. Features -Color:Transparent -Material:PP -Size:14.00X1.50X1.00cm/5.50X0.59X0.39in -Note: pen shell ONLY, not included pen refills -Ink level monitoring: the clear pen shell design allows you to easily check ink levels, preventing unexpected ink shortages -Widely used: Ideal for students, office workers, and creative individuals, they ensure smooth writing experiences -Smooth and clean writing: designed for gel pen refills(not included), providing a smooth writing experience without ink smudges or leaks -Easy to replace: the pen shell's precise dimensions ensure easy and quick refill replacement, extending the pen's usability and reducing waste -Versatile usage: suitable for various settings such as school, office, or home, these pen shells inspire creativity and add a personal touch Package list: 50 x replacement pen shell