Perfit ACE® Rigid Cervical Collar, 30/CSPRODUCT FEATURES: Dimensions: 56 x 18 x 1. 5 centimeters 16 sizes in one collar from neckless (size 3) to tall (size 6) Flat storage Radio translucent, CAT & MRI compatible 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 PRODUCT SPECIFICATIONS: VENDOR: Ambu VENDOR NUMBER: 000281000 PRODUCT