It provides superior comfort and support to the neck through anatomical designed. It refrains from excessive cervical activity and provides extra warmth around the neck. Compatibility MR. Indications Cervical hernia Cervical calcification Muscler strain SIZE PRODUCT HEIGHT(CM) NECK CIRCUMFERENCE(CM) XS 8 22-27 S 9.5 28-33 M 10.5 34-39 L 11 40-45 Declaration of Conformity CE