- Versatile Empty Pen Tubes: Perfect for crafting customized pens that fit your personal style and enhance your workspace. - Durable Gel Pen Casings: Made from high-quality plastic, these casings are designed for long-lasting use and can accommodate any gel pen refill. - Transparent Holder Design: Easy to transport and store, these refillable pen tubes allow you to see ink levels at a glance while keeping your workspace organized. - Simple Yet Functional: The straightforward design of these empty pen tubes makes them user-friendly, providing convenience when you need to refill or swap out ink. Use Cases: 1. Custom Gifts: Create personalized pens for friends or family using these empty tubes, making them a thoughtful present for any occasion. 2. Office Supply Organization: Keep your desk tidy with these practical pen holders, allowing for easy refill access and a clutter-free environment. 3. Craft Projects: Ideal for DIY projects, these pen tubes can be used in art and craft applications, offering versatility in design and function. With every aspect tailored for performance, these empty pen holders ensure you have the perfect writing tool at your fingertips, ready to meet any need.