Made from soft 1" webbing, this Iron Neck Harness is one of the most comfortable and durable neck harnesses in the industry. The Iron Neck Harness is made with adjustable industrial hook and loop fasteners, and it fits most head sizes. The harness can be used to perform the traditional weighted neck exercises in flexion, extension, and side flexion. Each Harness included a 40" nylon strap and two carabiners.