Sufficient Quantity: This set includes sublimated ballpoint pens, each with black refill; measures approximately 6 inches long / 6 inches (approximately 15.3 cm), sufficient quantity for unlimited DIY creative designs, for you, Unique Ballpoint Pen Gifts for Family, Colleagues and Friends These DIY pens for heat fer printing are constructed with reliable plastic parts and a sublimation-coated metal tube body, lightweight and durable, not easily broken, and stylish in appearance; the durable material combination enhances the smoothness and strength of the ballpoint pen, significantly improving user Comfortability; black ink dries quickly, flows consistently, and does not bleed, ensuring These ballpoint pens can be used for writing, drawing and practicing in classrooms, offices and other occasions, the recommended heat press setting is about 500 ℉ / 260 ℃ for about 5-6 minutes; it can also be placed in the oven for DIY Project, create a personalized pen; please disassemble the pen before sublimation as only the white pen holder can be sublimated This plastic ball pen is not a push pen, but can be opened by rotating the pen body; when the ink runs out, just take out the refill from the bottom and rotate the refill to replace it; the operation is simple and simple, and does not require too much energy , suitable for most students, teachers, staff, etc. These white ballpoint pens have beautiful appearance and practical performance; they can be used in person, or you can heat fer your friend's name or favorite pattern to the blank space of the sublimation pen; the finished product can be used for Children's Day, birthday parties, weddings, etc. , an perfect gift for classmates, friends or colleagues. Great for artists and more:The sublimated cute and cool pen surface makes these pens perfect for artists and people who want to add a personalized design to their work, allowing for unique and creative expression. multiple uses:Suitable for writing, jour