These Dermacea USP Type VII gauze sponges are 4 x 4 inches and made of cotton for absorbency.. They have a twelve-ply layer that offers protection.. These soft sponges are ideal for other applications such as wound prepping, packing, debriding and cleaning.. Gauze sponges are packed in sterile pairs.. . WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov