KNEE PILLOW FOR SIDE SLEEPERS + EXCLUSIVE DOCTOR-WRITTEN EBOOK: This memory foam knee pillow cushions knee on knee contact and supports comfortable hip, knee and lower-back positioning while sleeping on your side. Your purchase also includes an electronic handbook written by licensed medical doctors, explaining common causes of hip, knee, back and sciatica discomfort and providing step-by-step guidance on how to use the between-legs pillow correctly for personalized support and greater comfort. ERGONOMIC MEMORY FOAM THAT KEEPS ITS SHAPE: Made with firm, high-density memory foam, this leg pillow gently cushions your knees and supports comfortable hip, leg and lower-back positioning while you sleep. Unlike softer cushions that quickly lose their shape, it provides reliable support night after night. STAYS COMFORTABLY IN PLACE AS YOU SLEEP: The soft, adjustable non slip strap helps keep the knee cushion securely positioned between your legs, even when you move during the night. Enjoy consistent knee and hip support without repeatedly having to readjust your pillow. VERSATILE SUPPORT FOR YOUR PREFERRED SLEEPING POSITION: Place it between your leg & knees as a side-sleeper pillow, beneath your knees as an under-knee pillow, or use it as a gentle knee wedge or hip support cushion. Its ergonomic shape encourages comfortable leg positioning and more natural spinal alignment that helps to provide you the comfort from Sciatica, Knee Pain , Hip & leg misaligment pain and Postpartum Support. FRESH, BREATHABLE AND EASY TO CARE With Liftime Replacement Guarantee: Our Ventilated memory foam encourages airflow, while the soft zip-off cover can be removed and machine washed for everyday freshness. Suitable for side sleeping and added comfort during pregnancy, your pillow is also protected by our lifetime replacement guarantee.