Description:Capacity: 50mlBottle Size: 67mmColor: Red， Blue， Black<br>Features:1. Ink with bright color， easy to dry. The color is not easy to fade.2. Add this ink in Permanent marker pen， the marker pen can be reused. Which  is economical.3. The mouth of the ink bottle is special， can avoid leaking when adding ink. which is convenient and easy to use.4. It is a good choice for your friends and yourself.<br>Package Included:1 x  50ml Ink