Need a fountain pen refill but tired of black? Feel the need to mix it up but only have one fountain pen? Maybe you ran out of green and blue writing your last poem? Whatever the reason, if you need a colored pen ink refill for your OOLY fountain pen this is the pack you need! Comes with 8 different colors and compatible with any OOLY fountain pen. You’ll never run out of ink for all your amazing ideas.

• 8 different ink colors
• Refillable ink cartridges for use with any OOLY Fountain Pen. May not fit other fountain pen brands. 
• Suitable for ages 12 and up