The Djo Procare One-Piece Cervical Collar is a collar molded from injection. It provides excellent support and restricts movement of the cervical spine after an injury. This product is very comfy for adults and kids. It uses tough, high-density polyethylene and soft, closed-cell foam. It can be adjusted to fit people of different heights. The collar has a large opening that makes it easy to monitor the carotid pulse and perform emergency tracheotomies. This collar is perfect for immobilizing and extracting the cervical spine. It can be stored flat to save space and works well with X-ray, CT, and MRI scans.