Produces thick, vibrant lines and features an innovative, spring loaded clip that automatically retracts when clipped onto your pocket protecting them from ink stains. uni Super Ink™ provides three-way protection against water, fading and fraud.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.