Material: mesh fabric Core: buckwheat + pearl cotton The touch is smooth and delicate, excellent breathability. Waist Pad Size: 48*34*11/3.5cm; Height pillow: 17*17*2 cm. With height cushions you can adjust the height. New design lumbar pillow for health care. The middle is slightly hard and the sides are slightly soft. When you sleep, it sticks to the lumbar spine and there is no gap between the hips, so you can sleep easily. In any posture, easily adjust along the line from the spine to the waist to reduce body pressure, eliminate the point of concentration of body pressure that causes back pain and back pain, and ensure a good nights sleep. Use on pregnant women, postpartum women and people with various types of back pain to maintain lumbar curvature and relieve back pain. Package Include: 1 * Waist Pad