Save time and effort when endorsing checks, dating documents, and performing other tasks with this ink refill. The bold black color of this Xstamper ClassiX 2-ounce ink refill stands out strongly for easy reading. Specifically formulated to provide optimum performance for your ClassiX stamps! Produces vibrant color and crisp impressions. Budget-friendly way to refresh your stamp: re-inks 375 times to deliver thousands and thousands of impressions.