Ripple Mattress plays a very important role for bedridden patients. Long hours of laying in the bed without moving will cause pressure sore on the patient buttock or any parts that sustain the body weight. Ripple Mattress has tubes that inflate and release air alternately to constantly change the pressure point of the body. It helps to promote better blood circulation and prevents pressure sore. Our Ripple Mattress has a very silent air pump motor that will not disturb the user when it is operating, this is a key feature that differentiate a good mattress from an ordinary one.