Curity gauze sponges are made from high-grade, 100% ring-spun cotton to maximize absorbency and vertical wicking ability. They are available in a broad range of sizes and can be used in a variety of applications. Curity gauze sponges meet or exceed USP Type VII gauze requirements. Covidien is the only US-based gauze manufacturer, and has been making gauze for more than 100 years.