The Omox Arm Sling has been designed to provide an effective support and immobilization of the shoulder and arm after trauma. It?s made of a stable 3D material that both absorbs pressure and provides a good ventilation. The neck strap is adjustable and has a pad to absorb pressure. The sling has also a thumb strap to provide support to the thumb and wrist.Measurement from elbow to finger is 28-33cm