A Horse Permanent double marker is a dual-tip permanent marker with one fine tip (around 2mm) and one chisel tip (around 5mm) for versatile use on various surfaces like paper, metal, and plastic. Its ink is permanent, waterproof, and quick-drying, and the marker is safe for health as it is non-toxic, Xylene-free, and environmentally friendly. The ink can be refilled when it starts to fade.
