It is vital to ensure that the extrication collar is sized correctly. Laerdal's Stifneck collars are produced in four adult sizes; Tall, Regular, Short as well as No-Neck. Along with the four adult sizes, the Stifneck comes in two pediatric sizes; Pediatric as well as Baby No-Neck. The Pediatric sizes are designed with the anatomical differences of a pediatric compared to an adult patient to ensure the highest effectiveness and safety.