The ortel c4 rigid thuasne rigid cervical collar relieves pain by supporting the weight of the head while the soft tissues in the neck can heal.   the neck support collar provides firm support and it is made up of 2 anatomically moulded shells for maximum comfort. the foam shells are an anterior shell (providing chin and sternal support) and a posterior shell (providing high occipital and dorsal support). the perforations on the rear shell of the neck support allow heat to escape. the neck support closure is easy by hook and loop. it is radiolucent.  the height of the collar is 8.25cms ecru color. it is available in 3 sizes.  to choose your size please take measurements of the neck circumference referring to the measurements below: size        circumference of neck size 1: 25.5 - 33 cm size 2: 33.5 - 40 cm size 3: 40.5 - 48 cm