Just add water – NO DETERgENTS NEEDED Works like magic, Much Better than Norwex, e-cloth or Nano towel, You Will Be Amazed Pure-Sky is made of patented state-of-the-art composite Ultra Micro fibers, consisting of Multifilament yarns that are made of more than 1,000 strands per yarn Allowing you to clean nearly any surface using JUST WATER No Detergent, cleans with only water, without dangerous ingredients that can harm you Money Saving Product Reduce your need for disposable cleaning sponges, cleaning chemicals, and paper towels Pure-Sky Sponge can take out, grab, and wipe old dust stuck in hard-to-reach places like a magnet cleans fine dust that cannot be seen with the naked eye, and even dirt stuck in the small crevices of a marble floor It can be used wet or dry, but it displays excellent cleaning capabilities for fine dust and hair particularly when used dry Absorbs water, dust, and dirt up to more than five times its own weight Product features cleaning sponge is equipped with an ergonomic sponge that enables more comfortable removal of stubborn stains In particular, using the edges of the product, you can efficiently clean long, narrow gaps such as the gap between a window and its frame Where to use Removing Stains in the cracks and crevices, Window Frame, Tubs, Sinks, cloth (Dust), and Shoes (Dust) How to use Use dry to clear crevices, remove hair, and clean fine dust Use wet to clean stains For stubborn stains, add detergent for added results For proper maintenance, rinse with running water after use and dry before storing How to Use Product Size 35 X 63 X 17 in (90 X 160 X 42 mm) Marking Material Polyester 90%, Polyamide 10%