Unisurge First Aid Gauze Swabs. Each swab measures 7.5x 7.5cm. Cost effective way to clean and dress wounds. Sterile wrapped for peace of mind when cleaning wounds prior to dressing. Cushions and protects wounds. Allows blood and fluids to pass through and be absorbed 100% woven cotton 5 swabs per sterile envelope. FOUR PACKS OF FIVE SWABS = 20 SWABS TOTAL