From BodiPEDIC, this knee pillow features: Ease knee and hip pain with supportive memory foam found in the Bodipedic Pressure-Relieving Support Knee Pillow. Conforming memory foam offers targeted support best used for knee and body alignment The contoured knee pillow can be used between your thighs, knees, or calves for multiple support options Includes a removable luxury circular-knit fabric cover featuring grey color and hexagon pattern to help hide dirt and stains The memory foam in this pillow meets CertiPUR-US standards for content, emissions, and durability, and has been analyzed by independent, accredited testing laboratories Each pillow includes a 2-year limited manufacturer's warranty Cover: Remove cover and machine wash and dry. 100% Memory Foam: Spot clean only.  Do not machine wash or dry. Use mild detergent, no chlorine bleach.  Allow to air dry away from direct sunlight and heat. Cover: 100% Polyester; 280 GSM Hexagon pattern Approx. 10" L x 8" W x 6" H Weighs approx. 1 lb. Imported.