This massage pad can also be removed to use in your favorite chair . bed . or even when traveling. Thick structured foam backrest support with a patented recessed adjustable headrest pad provides ultimate comfort while inverting for users 5’1″ to 6’6″. Unlike other inversion tables made out of plastic or thin padding . this model offers a truly noticeable comfort for anyone suffering from back pain. Benefits of inversion- relieves back pressure and muscle aches elongates the spine- elongates the spine- reverses negative effects of gravity increases blood circulation- promotes stretching improves posture.