Scientific and beautiful curvature conformed to human body takes care of sedentary crowd with the lumbar pain problem, and corrects your sitting posture by filling the inter-space between the back and the chair.Persistent application may help developing proper sitting habit, avoiding the possibility of chronic waist-ache.Different from the traditional pillows filled by canton, there is high-density and fast-rebound memory foam used as the core of the pillow, helping hold your spine softly for a long time without being deformed to lighten the most pain due to sciatica, herniated discs, tailbone injuries,pregnancy,hip pain and so on.Moreover, profit from the smooth zipper and the elastic belt, the whole cushion is easy to wash and change, which also makes it helpful when you go on an official mission or travelling by the main forms of transportation.The brief and modern appearance could fit in all circumstances.