Covidien Curity Non-Sterile Cover Sponges (4" x 4") (1792) are non-woven sponges designed for moderate to heavy exuding wounds. Kendall Curity Cover Sponges have a unique outer layer of cellulose wadding filled material that promotes excellent absorbency. Kendall Curity Cover Sponges retain more liquid than the regular gauze sponges. 100/BG 20BG/CS (2000). Price per case.