Description Made of high-quality plastic material. This set of simple fountain pens refills is easyto use and change, you can replace or fill you pen conveniently, and the sufficient quantity will satisfy you various needs. Liquid ink is smooth flowing, leaves a solid, confident line, and adds to the sophisticated experience of fountain pen use. Features -Material:Plastic -Size: Approx. 5 x 0.5 x 0.5 cm / 1.97 x 0.2 x 0.2 inch -Built with strong and durable material to withstand continuous use. -It has a simple design, but very practical in use, to bring much convenience to you. -Not easy to deform, it's convenient and durable. -The product design conforms to the ergonomic design, easy to install and use. -From the overall design and finish exquisite workmanship would be seen. Package listing: 2 x Bags of 100 Pcs Pens Ink Sacs