Description The My Medic cervical collar is designed to assist with the maintenance of neutral alignment, prevention of lateral sway and anterior-posterior flexion and extension of the cervical spine during transport and routine patient care or movement. This collar is an adjustable one-piece rigid cervical spine immobilization device with precise settings for a customized fit. It adjusts within the 4 standard adult settings ranging from Neckless to Tall. For First Aid and emergency Precise settings for a customized fit Radio Translucent, CAT, and MRI compatible Ventilated, posterior shell for fluid drainage Comes with a comprehensive sizing system for easy and accurate sizing WARNING: Reproductive Harm - https://www.p65warnings.ca.gov/ specs Dimensions | 56 x 18 x 1.5 cm