Covidien Curity Sterile 2s Cover Sponges in Peel-Back Package (4" x 4") (2913) 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 and retain more liquid than the regular gauze sponges. 50/BX (25x2), 24BX/CS . Price per case.