ReliaMed Composite Dressing. Individually sealed. 100% cotton, nonadherent island pad absorbs exudate for a cleaner wound bed. Nonwoven, adhesive cover has rounded edges to prevent detachment. Waterproof top film layer prevents fluid from passing through the dressing, but is breathable to allow for moisture vapor transmission. 4″ x 4″, Pad 2″ x 2″, Sterile, Each