Sentry IMPERVIA Absorbent Dressing with Fluid Resistant BarrierSentry IMPERVIA Absorbent Dressing with Fluid Resistant Barrier IMPERVIAabsorbent sterile dressings are designed to manage moderate to heavily exuding wounds. These dressings are a highly absorbent inner layer of cellulose blend with blue impervious backing enclosed by a soft non woven fabric. Suitable For: Secondary dressing Protection of clothing and linen Moderate to heavy exuding wounds Product Features: Fluid repellent backing Highly absorbent