WAKE UP WITHOUT PAIN: The ergonomically designed memory foam cushion fits comfortably between your legs, allowing for ideal alignment and relieving spine, hips, knees and back. The knee pillow helps with sciatica, back pain and knee, hip and joint pain. The pillow also supports your body during pregnancy. STAYS IN POSITION ALL NIGHT: The elastic strap, ergonomic design and memory foam ensure that the knee pillow stays in place all night . It improves blood circulation and prevents aches and pains of all kinds. A must-have for side sleepers WASHABLE COVER: The soft, breathable zippered cover is machine washable, for easy cleaning. TRUSTWORTHY FROM THE EXPERTS:Recommended by physiotherapists, doctors, sports trainers and chiropractors. Use the soft but firm cushion between the legs after surgery, for your comfort in bed. This soft, lightweight and comfortable memory foam orthopedic cushion will not disappoint.