Memory Sponge Lumbar Support Pillow, Which Helps Relieve The Pressure On The Waist And Buttocks Caused By Prolonged Sitting, Can Be Used In Office Chairs, Car Chairs, Game Chairs, Sofas And Other Occasions. It Is An Ergonomic Lumbar Support Pillow, Comfortable, Breathable And Skin Friendly Lumbar Support Pillow, Chair Cushion, And Lumbar Support Pillow That Improves Sitting Posture