Selected High-quality Materials, Surface Spray Glue Treatment, Comfortable Holding Pen Full of Texture, Quality Choice. the Colorful & Black Capacitor Heads Are Paired with a Colorful Pen Holder, Which is Colorful & Sensitive, Suitable for Tablets & Smartphones. Can be Clipped in a Note Book or Book Folder, Easy to Carry, to Avoid Lost, Lost, Even If Placed in a Tilted Position Do Not Have to Worry About Rolling. Press the Core, Just Gently Press the Pen Tip to Come Out When Writing, Anti-collision Wear, Smooth Writing, No Oil Leakage, Continuous Ink! There is No Need to Worry About the Embarrassment of Only the Pen Pole After the Use of Ink, Simple a Few Steps, Change the Core Does Not Change the Pen to Continue to Use, Environmental Protection & Saving.