Healifty Inflatable Ring Cushion Donut Hemorrhoid Pillow Medical Pillow Bed Sores for Wheelchairs DescriptionThe contoured donut shape is engineered to reduce coccyx pressure, as well as relieve stress on the tailbone, hip bones, and legs and while you are sitting. It can be used at home, on the road while driving a car or truck, and an office.Feature- Color: As shown.- Material: PVC.- Size: 35x35x8cm.Package Including1 x Cushion1 x Air Pump