Size?S .?M .?L .?XL

SIZE
Neck Circumference
Height

S
???????????? 10 inch ? 13 inch??????????????? 25.4 cm ? 33 cm
2 ? inch

M
???????????? 13 inch ? 16 inch???????????? ?? 33 cm ? 40.6 cm

L
???????????? 16 inch ? 19 inch????????????????40.6 cm?? 48.3 cm

XL
???????????? 19 + inch? ? ? ? ? ? ? ? ? ? ? ? ? ? ?48.3 + cm

THE CONWELL CERVICAL COLLAR WITH TRACHEA OPENING designs for cervical spine immobilization and extraction.