This is our deluxe line of 4 - ply non-woven sponges that are a unique rayon and polyester blend to provide improved strength and absorbency. The increased material weight helps to provide a moreefficient sponge than our traditional Avant line by reducing the number of sponges that have to used for each procedure. These non-woven sponges provide increased wicking ability as well as less lint versus the traditional woven sponges. Non-Sterile. Available in 2 x 2, 3 x 3, and 4 x 4 inch sizes.