This knee pillow with an ergonomic design sits comfortably between your knees and provide optimal support. At night, it relieves sciatica discomfort and pressure on your lower back. In addition, bamboo memory foam\'s healing and soothing properties make it ideal for relieving pressure on your knees, hips and lower back while sleeping. It helps to reduce the pressure on hips, knees and joints, making you have a comfortable nights sleep Using advanced protective memory foam material, it can quickly rebound, soft and comfortable This Memory Foam Knee Pillow fits leg curve, promote blood circulation, absorb pressure, relieve leg fatigue and leg pain Comes with a removable pillow cover with a zipper closure that can be removed and washed easily