CUSTOMIZED SUPPORT: Our hip pillow for side sleepers is made from soft yet dense memory foam, which adjusts to the shape of your lower body, creating a support system for your knees, hips, and legs PREVENTS KNEE CLASHING: The Butterfly shape makes it the perfect between leg pillow for side sleepers. Its hollow design cradles each leg, providing separation for an ideal sleeping position PAIN AND PRESSURE RELIEF: Our hip pillow provides a soft, supportive foundation for your lower body, relieving pressure and pain in your hips, legs, and lower back. Ideal as a sciatica nerve pillow IDEAL DURING AND AFTER PREGNANCY: Pregnancy can make lying down and sleeping uncomfortable. Our side sleeper pillow for legs helps to support an optimal sleeping position for better comfort PILLOW FOR LOWER BACK PAIN: Poor sleeping posture is a major cause of waking with back pain. Use our knee pillows for sleeping for back pain to keep your spine properly aligned for optimal comfort KNEE PILLOW WITH STRAP: Our smooth spine leg pillow has an adjustable strap to keep it from moving, even if you toss and turn during the night, providing continual support as you sleep