The Posture~Pillow is a unique innovation that facilitates both the warming and stretching of your neck backwards, whilst fully supporting the chest forwards, whilst radiant Amethyst Far-Infra-Red Thermal Energy penetrates, helping the natural correction of curves in your upper neck and spine. Also perfect for sleeping on back or sides. 3 year warranty. Size is 45 x 45 x 13 cm. Temperature controller from 30 to 70 C. Quilted cotton zip-up pillow case included.  Comes with carry-bag.