SortKwik is a hydroscopic material (it absorbs moisture from the air) that provides a harmless coating to the fingers. Its "grip" enables the user to handle papers and cloth with much greater speed and ease. SortKwik is stainless, odorless, greaseless, colorless and non-toxic. It is easy to apply and easy to wash off. Vastly superior to unsanitary sponges. It is guaranteed to be non-irritating.