Well ventilated support plate to increase cool and comfort. Two pieces of self-adhesive support plate can adjust height freely to ensure perfect fit between chin and neck collar. Double buckle structure to ensure the best fixedeffect. White is not easy to get dirty and can be washed with water. Ideal use for pervebtion and auxiliary treatment of cervical vertebra syndrome,such as cervical spondylosis and cervical muscle strain etc and neck support for cervical spondylosis rehabilitation after surgery.