Stable, open-pored foam, density 60, to wear by day. With recess for larynx.Adjustable Velcro closure. Anatomically shaped to ensure an optimum fit. With skin-friendly cover (100% cotton).Indications:After torticollis operations, sprains, cervical syndrome, whiplash injuries and after operations on the cervical spine. Measurement point: A- circumference of neck, K- chin height (tip of chin to sternoclavicular joint) / cm.Please indicate chin heights 7.5 cm, 9.0 cm or 11.0 cm.