BeGreeNÂ® Positive with the Planetâ„¢ refills fuse the highest levels of quality and design technology with environmentally responsible manufacturing principles and procedures. The 100% recycled inks feature ultra-stable densities and extra-intense colors for smooth, vivid writing. Quick-drying, multi-surface ink formula provides the smear free versatility required of an all-purpose permanent marker. Convenient cartridge design ensures quick and easy, mess free replacement. Compatible with both bullet and chisel tip markers.