Silver Rest Sleep Shop 14-Inch by 16-Inch by 4-Inch Lumbar Pillow 100% Polyester Imported Our lumber cushion memory foam pillow is made of high quality visco elastic memory foam The pillow is designed for optimum comfort relieving the pressure in your back by keeping your backbone in alignment and supported by cushioning memory foam The temper-sensitive nature of our memory foam adjusts to the body's temperature for sleeping comfort