Tynor B-20 Cervical Collar Hard With Chin is used for supporting, immobilizing or adjusting the neck in the flexion, extension, or hyperextension position. Recommended where a rigid immobilization of the cervical region is required. | Uses: It helps to improve immobilization and enhances comfort. | Product Specification and Features: Anatomically molded chin enhances immobilization by the chin lock Accurate height adjustment increases immobilization The perforated body improves ventilation and comfort High-quality materials improve aesthetics and enhance the functional life of the collar Available sizes: S (3"-3.5"), M (3.5"-4") and L (4"-4.5") | Note: | Warranty: 6 Months | Warranty Service Type: Repair | What is covered in warranty: Manufacturing defect | Warranty Liability: Maximum to product cost | Customer Care Id: [email protected] | Customer Care Number: 18001212656 | Directions For Use: Measure the distance between the edge of the sternum and lower jaw with the neck in the extension position. | Safety Information: Read the label carefully before use Keep out of reach of the children Store in a cool dry place