The Maximum Comfort, Minimal Stress Cervical Collar Velcro® closure padded stabilization strap Body-only coverage. Allows for full peripheral vision. Adjustable and comfortable fit for extended use. Optional stabilization strap for more active animals. Will not crack in cold weather. ITEM # CIRCUMFERENCE DEPTH DEPTH MEASUREMENT: Measure from the base of the animal's ear to the top of its shoulder blade. DO NOT use cervical collars to protect eyes, ears, feet, or lower portion of legs.