Ergonomic design lumbar support Lumbar support cushion unique ergonomic design with low carbon memory foam that conforms to the curve of the human waist perfectly fills the gap between the waist and the bed, protecting your spine and muscles from injury, especially suitable for relieving back stiffness and pain caused by long working hours, and for pregnant mothers.Bamboo charcoal memory spongeLumbar support cushion has a premium 100% memory foam construction inside, designed with anatomy in mind so that it does not flatten over time, providing long-lasting comfort and optimal support and spinal alignment, perfectly suited to side and back sleepers.Back pain reliefLumbar support cushion 49 cm length evenly distributes the pressure. You can use any posture with different postures. Lumbar support cushion reduces lumbar strain and relaxes muscles. Pregnant women and lumbar muscle tired people back support pilot for bed.Removable clean cover Cover of lumbar support cushion can be disassembled and cleaned. The pillowcase can be washed by hand and machine. The pillow core should not be placed in the sun and needs to be dried. It should be kept fresh and clean at any time.