Features: Brand new and high quality Medical series retractable ballpoint pen is perfect for doctor, nurses, medical assistants and medical students. Use oil pen in various like school, work, or the library for signing documents, and drawing. These cartoon signature pen can also be apply as gift for family members, relatives, coworkers and other people you care about. Its grip ensures a pleasant writing experience, while its unique design adds a touch charm to your writing. These 1.0mm writing pen can be used whether you're writing journals, budgets, or jotting down daily reminders and schedules, and will provide a writing experience. Specifications: Component: Plastic Size: about 145x10mm/5.71x0.39'' Type: 3 Kinds Optional Package Includes: 3 Kind Package Optional as Follows: Package 1: 6x/Set Retractable Ballpoint Pen Package 2: 10x/Set Retractable Ballpoint Pen Package 3: 12x/Set Retractable Ballpoint Pen note: Please allow 1-3cm errors due to manual measurement. Due to difference betweeen different monitors,the picture may not reflect the actual color of the item.