"Wings Quilted Moisture Vapor Permeable Underpad, 30"" X 36"". combine super absorbency with moisture vapor transfer technology to keep patients dry and comfortable. Featuring ""honeycomb technology,"" super-absorbent polymer is encapsulated in every cell for improved fluid management resulting in drier skin, improved skin wellness, and increased patient comfort. The Moisture Vapor Permeable backsheet channels moisture vapor away from the patient while keeping fluid from passing through to the bed sheet."