Size：14.0cm Nib：fineMaterial：Plasticquantity：7pcsNEW：100%Color : red，blue，yellow，white，green，orange，blackThe use of ink：The best selection of the same brand of inkNew Fountain Pen first use， please wash it with clean interior. Ink writing inhalation. It is new in factory dust inside. It will affect the writing. Please use the water to wash receive internal pen writing. I'm not a professional photographer. Unable to display it from more angles. You get the real goods you'll find out it is well worth the money you spent.It is environmentally friendly materials and plastic products.Many students can correct writing posture， the overall shape of the pen is the most popular quadrangle， bright colors and bright， like buyers can choose the color according to their preferences.Pen grip part of the polygon， can correct many students writing posture， the overall shape of the pen is the most popular quadrangle， bright colors and bright， like buyers can choose the color according to their preferencesPen for plastic material， pen more portable.Use inkThe best selection of the same brand of ink. The same brand of ink and will not damage your pen. It will Guarantee smooth writing. Ink :No liquid ink inside the pen，you can use bottle ink for this pen，also you can use jinhao ink cartridges.(i have the match ink cartridges for sell in my store)note:Sometimes ， Manufacturer may changed the design of the nib without notify us ， I hope you can understand ， the new nib is also the same brand & the same quality or even better than the old one.