Description Protect wounds while promoting quick healing using The Ferris Shapes by PolyMem. It features a hydrophilic, polyurethane membrane matrix with a semi-permeable, polyurethane, continuous, thin-film backing in shapes that conform. Shapes easy-to-use, pre-cut dressings are made of an innovative, multi-function QuadraFoam material. QuadraFoam dressings can effectively cleanse, fill, absorb, and moisten wounds throughout the healing continuum. No other single wound dressing combines these four key wound-healing capabilities like PolyMem does. It contains a mild, non-toxic cleansing agent that is activated by moisture from the wound bed. Polymem Shapes dressings gently expand to fill and conform to the wound. Polymem Shapes can absorb up to ten (10) times its weight in exudate. Polymem Shapes are available in 3 oval sizes, tube, and Sacral.