The Pilot Laundry Marker Pen Black is a permanent fabric marker specially designed for writing on clothing, school uniforms, linens, and other textiles. Its quick-drying, water-resistant black ink is formulated to withstand repeated washing without fading, making it ideal for labelling garments and personal belongings. The durable fine tip delivers clear, permanent markings on most fabrics, making it perfect for schools, boarding houses, hospitals, nursing homes, sports clubs, camps, and home use.