Valuable overlay system designed for prevention and treatment of patients at low to medium risk of pressure ulcers. by having a series of individual cells inflate and deflate alternatively over a ten minute cycle, the pressure is periodically redistributed by inflating and deflating cells in order to mimic natural sleep movement patterns and avoid long term pressurization of tissue. weight indicator reference – to facilitate optimized pressure setting adjustable hangers – suitable for most bed types nylon/pu cover – vapor permeable and water resistant with low flame retardant level. pillow function – tubes in the “c-section” are designed to simulate a pillow function which also helps with patient compliance.made in germany