Lumbar pillow supports to the greatest extent along the natural arch of the lower back, providing comfort and support for different parts of the body, relieve the pain in the lower back, sciatic nerve, scoliosis, and keeps your legs, hip and spine in ideal alignment while sleeping. Usage: 1. Lie down on a yoga mat or hard bed, face up, adjust your breathing, and calm your body and mind. 2. After slowly raising the waist, push the lumbar pillow to a suitable position below the waist, straighten your hands to the top of your head, breathe through your abdomen, and relax. Notes: When washing, remove the outer pillowcase for cleaning, and then store it in a ventilated and dry place to prevent direct sunlight. When washing, the color of other clothes may be transferred to the product, so please do not wash it together with other items.(The inner pillow cannot be cleaned)