Use dry on a damp surface to remove light grease and dirt. Brings a perfect streak finish to glass and all shiny surfaces, using just water. Brilliant on: windows mirrors stainless steel Special features: Cleans with just water - save time No chemicals needed - save money Finer fibres - for a perfect streak free finish 3 Year Guarantee: This e-cloth is machine washable 300 times, up to 90°C. With weekly washing it is guaranteed to last for 3 years. How e-cloths work: e-cloths have 480,000 fibres per cm2. By combining e-cloth's unique fibre technology with water they break up and hold grease, dirt and bacteria, which normal cloths are behind.