Dressings for cavities that help clean and heal deep and cavitated wounds, indicated for exudative or dry wounds, infected or not, and stagnant wounds such as ulcers, bedsores, diabetic foot, pilonidal cyst, traumatic wound or postoperative wound with delayed healing. It contains a soft and flexible cushion and an irrigating absorbent gel comprising polyacrylate particles impregnated with Ringer's solution (sodium chloride, potassium and calcium). Format of 5,5cm, 10 units.