The E-Cloth Window Genie is all you need for perfectly clear windows: It erases streaks, light grease, dirt, and over 99% of bacteria for a sparkling finish — using just water. The comfortable mitt: Puts cleaning power right where you need it most. Rows of pleats, each packed with masses of microfibres, grab grime, dust, and smudges with just a swipe or two. No follow up necessary for a streak-free, lint-free finish Those blue mystery fluids make us uneasy, too. We prefer to harness the cleaning power of water with precision-engineered microfibres to get our windows gleaming.