Medline Avant Gauze Sponges are a 4-Ply, sterile gauze pad that helps reduce the amount of lint that is produced. The Avant Gauze Sponges are made of a rayon and polyester blend. The Medline gauze sponges help promote a healthy healing environment because of its significantly faster wicking ability. Latex Free! Available in 2 sizes: 2" x 2" (# NON21244) and 4" x 4" (# NON21444).