The umbrella is designed to be used with hanging lounge canopies that have a 4-spoke umbrella as it has four places for the spokes to stay in place in each corner of the fabric.
0 inches (W) x 9. Proven contour design perfectly supports and aligns your head neck shoulder and back You will fall asleep faster and deeper. It is possible for you to experience some discomfort during the first two weeks While your body is trying to adjust to the correct position The ergonomic design promotes muscle relaxation reduces neck shoulders and back pain and alleviates shoulder stiffness.