size design, better grip the pen; The central friction rod in the roller controls the flow of ink for better writing; The fashionable and exquisite design also conforms to your visual aesthetics; The fashionable design of the transparent cap brings a new style of pen. You can change the ink of any color at will.It is made of acrylic, and the handle is light. Even if you write for a long time, you will feel comfortable; The pen tip is smooth and the writing is beautiful, giving you a pleasant writing experience. capacity ink storage space is long enough to save valuable time once filled.When writing, you need to gently turn the knob on of the pen, and the valve will open to make the ink flow. Protect your pen.The perfect gift is worth it. Let it accompany your loved ones through every precious moment.Colour:transparentMaterial:acrylicSize:0.5mmtype:FPackage Contents:1 x penOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.