Serpentine Cervical Collar. Medium, 4″ x 20″. Firm density foam construction. Breathable synthetic stockinette liner. Removable cover can be washed for better patient hygiene. Contoured serpentine design for patient comfort. Indications: Cervical facet syndrome, Cervical sprains and strains, Discogenic pain, Degenerative disc disease with and without radiculopathy. 1 each.