Description:Description_x005F_x005f_x005F_x000D__x005F_x005f_x005F_x000D_Made of high-quality plastic material. A simple plunger driven ink container refills easily to use liquid ink neatly and conveniently with your fountain pen.Liquid ink is smooth flowing, leaves a solid, confident line, and adds to the sophisticated experience of fountain pen use._x005F_x005f_x005F_x000D__x005F_x005f_x005F_x000D_Features_x005F_x005f_x005F_x000D__x005F_x005f_x005F_x000D_-Material:Plastic_x005F_x005f_x005F_x000D_-Size:5.00X0.60X0.60cm/1.97X0.24X0.24in_x005F_x005f_x005F_x000D_-Built with strong and durable material to withstand continuous use._x005F_x005f_x005F_x000D_-It has a simple design, but very practical in use, to bring much convenience to you._x005F_x005f_x005F_x000D_-Not easy to deform, it& 39;s convenient and durable._x005F_x005f_x005F_x000D_-The product design conforms to the ergonomic design, easy to install and use._x005F_x005f_x005F_x000D_-From the overall design and finish exquisite workmanship would be seen.Packing list1 x Set of 50pcs Pen Ink Sacs