This product is made of high quality synthetic material, lined with foam, so that the product is soft and comfortable, this band unique design, a certain bending arc, bilateral anterior shoulder through the armpit of the back, between the shoulder blades with a buckle around, so can adjustable elastic, the clavicle bone fracture of the lateral pull back in order to correct the deformity, can replace the 8-shaped bandage and plaster, not to damage the axillary artery and forearm nerves.