Features:1. Smooth writing: This ink is packed into a fountain pen. When the fountain pen slides gracefully on the paper, it ensures that you get a smooth and unimpeded writing experience.2. Quick drying: This ink is easy to dry, ensuring that your important writing content will not be accidentally wiped off and stained.3. Safe: The ink is carefully manufactured using only natural dyes, so the ingredient has a neutral PH, natural and harmless to the human body.4. It is 100% closed, do not worry it will leak, only you want to open it and it encounters a lot of pressure before the ink, With it very convenient to go5. The package includes: 5 pieces of ink, enough for your replacement. Easy to use, you can put it anywhere else in the bag, backpack, paper bags and so on. Notice:1.Actual color may be slightly different from the image due to different monitor and light effect2.Please allow 1-3cm deviation due to manual measurementDescription:Material: Non-carbon Ink Size: 7x3.6x1cmWeight: about 18g includes:1 Set Disposable Fountain Pen Ink