Inflatable wedge fits under the mattress. Fully inflates in less than a minute, raising the head of your bed up to 26" or 40 degrees. Lifts up to 1,000 lbs. Provides an optimal angle of incline for those who suffer from acid reflux, heartburn, breathing difficulties and other issues where the upper body needs to be in an inclined position. Helps comfortably position the user while reading, watching television or eating breakfast in bed. Works on any mattress including traditional coil spring, foam mattresses. Comes with a quiet yet powerful air pump, air bladder and night illuminating, easy-to-use and control.