Quartet"s Kapture Digital Flipchart lets you capture and share your ideas the second you put pen to paper, transmitting flipchart notes, graphs, etc directly to your PC. This set of 8 assorted color refill cartridges is for the Quartet Kapture(TM) Digital Flipchart Pens. Low-odor, Non-toxic ink is AP certified and ideal for use in schools. Communicate boldly using quick-drying ink on flipcharts or whiteboards. Bullet tip for consistent line width and enhanced readability.