Acid Reflux & Heartburn Relief: Gently raises your back to a 25° angle, providing ideal support for those who suffer from acid reflux, heartburn, or breathing problems when lying flat. Experience a new level of comfort and support with theMaster Foam™ Waterproof Bed Wedge Pillow, designed to help you manage common health issues likeacid reflux ,heartburn, andbreathing problems.