Experience enhanced comfort and support with this memory foam knee pillow designed for back sleepers. The ergonomic semi-roll shape helps maintain proper spinal alignment, alleviates pressure on the lower back, hips, and knees, and can provide relief from sciatica discomfort and muscle fatigue. Featuring a breathable, removable cover that's machine washable for easy maintenance. Ideal for side sleepers, pregnant women, post-surgery recovery, or anyone seeking improved sleep posture and reduced nighttime aches.