Serenilite Cooling Memory Foam Layered Contour Knee Pillow & Leg Rest - Great for Knee, Leg, Back, Joint, Ankle, Sciatica Pain Relief - Optimal Leg Support & Great for Pregnancy - Plush Velour Cover NEW SLIM DESIGN & DUAL FUNCTION . Your contour knee pillow is 10X8X6 inches with a gel infused hybrid cooling memory foam layered onto a sturdy polyurethane foam base. Serves as a contoured knee pillow and leg rest upon simple unbuttoning. Optimal support to your lower back, hip, knees, ankles, and thighs. NIGHTTIME BACK, HIP & SPINAL RELIEF - This ergonomic knee pillow will fit comfortably between your knees and support proper posture & alignment. Can help relieve sciatica pain and relieve lower back pressure while sleeping. Also great for pregnancy support. HEALTHY SLEEPING & LOUNGING - Whether you are a side or back sleeper, our contoured design will keep your knees, legs, hip, spine, and back in optimal alignment with the rest of your body. May help improve bodily circulation over time. SILKY VELOUR COVER - Premium midnight blue velour zippered cover allows for easy cleaning and machine washing. Provides optimal comfortability when sleeping. HAPPINESS & SATISFACTION GUARANTEED - Weve got your back! Your satisfaction is our highest priority and we offer a lifetime guarantee. Should you have any questions or concerns about your pillow, please message us through Amazon and well do our best to assist.