Made from polyethylene, with an internal ventilated and hypoallergenic lining (polyamide). It consists of two ergonomic and velcro adhesive valves. It features a tracheal hole. Height adjustment system with six position choices (extension or hyperextension of the neck), as well as a mechanism for adjusting the angle at the submaxillary for proper fit. It features air holes. Radiolucent.

• Neck sprain
• Hernia of cervical spine intervertebral disk
• Rheumatoid arthritis-osteoarthritis