CERVICAL COLLAR, EXTRICATION STIFFNECK ADJ SZ ADLT GRN Locks ensure selected sizes stay in place Includes intergrated fastener for the Velcro® strap Adjustment tracks ensure symmetrical allignment of size Uses the same sizing and application method as the original Stifneck collars Easy access for pulse checks, advanced airway procedures, and visualization through oversized trachea hole Room for large fingers to slide through the rear panel opening for cervical palpation Directions molded into collar Stores flat