Using only water, the antibacterial Window Cloth rapidly removes dirt, grime and bacteria, leaving windows and all shiny surfaces sparkling and streak-free. Infused with natural silver ions that have powerful antibacterial properties, the cloth kills bacteria caught in the fibres during cleaning. Guaranteed for 100 machine washes. 32 x 32cm. 80 percent Polyester, 20 percent Polyamide. Keep away from fire. Always read instructions.