Cervical CollarsSupports the neck for sprains, strains, and mild muscle weakness Contoured, serpentine design provides comfort and allows the chin to rest on the collar Includes a 6" extension piece to accommodate larger sizes Comes with an extra synthetic cover that is machine washable Dynarex Cervical Collars provide stability and support to help limit neck movement after an injury. The contoured, serpentine design allows the chin to rest comfortably on the collar.