e-cloth Window Pack - 2 Cloths The Window Pack includes 1 waffle style cloth to remove dirt and grime from the inside and outside of windows and frames. The 2nd cloth dries glass to a sparkling smear free finish, all using just water. How e-cloths work: e-cloths have 1.6 million fibers per square inch. By combining e-cloth's unique fiber technology with water they break up and hold grease, grime and bacteria, which normal cloths leave behind. Why use: Save time - just add water and clean. Save money - reduce the use of household cleaning chemicals and paper towels by up to 90%. Guaranteed 300 washes. Better Results - a sparkling smear free finish, using just water. Kind to your family and the environment. Brilliant on : Glass, Vinyl, Wood, Composites, Frames, Sills. Removes 99% of bacteria. 10615W VCP-076-10615W TD-10615W