Features 1、Constructed by high quality plastic material, wear-resistant, durable for long term use. 2、With add ink easily design, immediately complete the inking when you drop a few ink to the tip of pen, makes it reused and cost saved. 3、Quick-drying and odorless, easy to wipe clean, let you has clear writing, it also can be used on various materials. 4、Come with durable fiber tip, wear-resistant and good pressure resistance, which is comfortable and smooth to write. 5、12 colors are available, suitable for marking, office, conference, study, etc. Specification Features: Constructed by high quality plastic material, wear-resistant, durable for long term use. With add ink easily design, immediately complete the inking when you drop a few ink to the tip of pen, makes it reused and cost saved. Quick-drying and odorless, easy to wipe clean, let you has clear writing, it also can be used on various materials. Come with durable fiber tip, wear-resistant and good pressure resistance, which is comfortable and smooth to write. 12 colors are available, suitable for marking, office, conference, study, etc. Specification: Material: Plastic Shell Color: as pictures shown Size(length): 12cm/4.7in Package List: 12 x Pens 1 x Transparent Package Box