Investing in a quality posture cushion can improve your sleep habits, helping you sleep deeper so you can wake up feeling more refreshed. Now, you can relieve knee pain, hip pain, and lower back pain while you sleep soundly with the ContourSleep Posture Cushion by Relax The Back. This temperature-sensitive memory foam provides support from your knees to your ankles, keeping your hips and spine properly aligned. The Posture Cushion is easily transportable, measuring in at 22" length, 10" width, and 3.25" deep. Its portable size makes the ContourSleep Posture a travel necessity as well.