Humanized Massage Point: 8 Massage points are designed to assist the massage of the waist and spineErgonomically Fit the Spine: The shape of the pad is specifically designed for fitting the human spine, which keeps it in a normal state of curvature for long term sitting or sleeping.Comfort: The two-wing design can surround the back very naturally like being hugged, you can sleep on your side comfortably with this pad supporting the waist and lumbar.Gift Ideas: A very great gift for elderly persons, pregnant women, families and friends who need long time car commutes.Note: The pillow has a skin-friendly cotton cover that is machine washable in cool water, do not bleach and iron. The foam is not washable.Material: Memory FoamSize: 49 x 27 x13.5cmWeight: 500g