These Non-Woven Sponges are perfect for general use. The 4-ply, non-sterile sponge is soft, smooth, strong and virtually lint free. The standard sponges are 30 gram weight rayon/polyester blend while the plus size sponges are made from 35 gram weight rayon/polyester blend. The lighter weights provide good absorbency with little adhesion to wounds. These sponges are ideal for sustained patient use, disinfecting and general cleaning.