The leg pillow is memory foam leg cushion that provides side sleepers comfort to properly align spine, stabilize hips and cushion knees while you sleep to ease pain in your back, hips, legs, and knees. Specifications: Composition and content of filler 100% imported slow resilient materials, suitable for adults, fillers, memory cotton, pillow core fabrics, polyester fibers. Heart-shaped pinch pillow, relax the leg, soft and comfortable, shape curve, relieve pressure. The strap design makes it easy to retain, release and relax. Clamping design, deepen the groove, fit the curve of the leg, no longer press the legs. After using the clamp pillow, adjust the curve of knee and buttock, keep the natural physiological curve of human body, relieve the pressure of legs, and enjoy comfort. Memory pillow core can not be washed! Normally use for 1-2 months, put in a cool and ventilated place for 2-3 hours, can not be exposed to sunlight, otherwise it will change the chemical and physical properties of memory pillow, resulting in memory loss.