Custom fit. Helps provide relief from mild neck pain and stiffness. Adjustable in both circumference and height. Live more. Comfortable for use day or night. Adjustable features for a custom fit. Easy to apply. Chin strap adjusts collar height for comfort and fit. Breathable foam covered with soft, smooth knit material. Size: This cervical collar is designed to fit necks 11.0-20.0 inches in circumference and adjusts to fit necks 2.5-5.0 inches in height. When to Use: When used as prescribed by your physician, this Futuro Soft Cervical Collar should be worn for relief from pinched nerves or tightness in neck. It may also provide comfort after a whiplash injury. Our expert panel of engineers and medical professionals brings innovative technology to every product we make. CE listed. Made in USA with globally sourced materials.