Cotton | McKesson non-sterile gauze sponges are made of 100% cotton, making them soft and gentle on sensitive skin | They are a reliable option for numerous purposes, including wound dressing, cleaning, prepping and packing | These cotton gauze sponges produce a minimal amount of lint, keeping wounds and the areas around incisions clean | Caregivers should use them once and then dispose of them to maintain hygiene | The 3 x 3 inch surface of each gauze is large enough to cover small wounds and incisions of various types