Cleaning with blue mystery sprays and mountains of paper towels makes us uneasy, too. That's why there's the E-Cloth window cleaning pack. It's all you need for sparkling windows and shiny surfaces. Just dampen the Window Cloth and wipe. Then follow with the dry glass & polishing cloth, erasing streaks for a perfect finish. masses of microscopic fibers in the waffle-weave window cloth grab grime, dust and more from smooth surfaces like windows and mirrors, as well as frames and sills and they don't let go until rinsed. Generously sized, the Cloth swiftly handles even large windows with just a quick rinse or two. Next comes the microfiber glass & polishing cloth, our secret to a satisfying, streak-free finish. Just wipe and admire the results.