Very pleased with the Wedge and now with both the wedge cover and pillow cover. We were hopelessly lost trying to figure a way to get the wedge pillow cover on. I was going to suggest that Medcline make a video showing how to install it. Then I thought, maybe they did. I went to You Tube and searched for Medcline wedge. Found it. Had to watch it several times, pause, redo. It helped immensely. I expected the fragile looking zippers to break as a lot of stuffing into the wedge cover was needed. No problem. Obviously, the wedge zippers and material are stronger than they look. The pillowcase was so easy after the wedge.