WHEN TO USE This can be used for acute neck pain cervical spondylosis cervical Disc Herniation Excessive strain on the neck muscles Cervical disc injury & other conditions causing pain and discomfort in the neck & requiring moderate support. SCIENTIFIC & ERGONOMIC Scientifically designed for comfort & stability It provides warmth support & limits the movement It is made from special PU foam & plastic for an anatomic fit It has chin support for extra stability. LONG LASTING SKIN FRIENDLY & BREATHABLE MATERIAL-Latex-free double covered Lyra is blended with composite yarn that makes material durable breathable skin friendly, The product undergoes a special finishing process to make the material last longer.