Name: Human lumbar disc herniation model model<br /><br />Features: <br />    This model uses a 1.5 times magnification of the fourth section of the lumbar spine and the fifth section of the lumbar spine， <br />    intervertebral disc spinal nerve composition， which intervertebral disc using soft elastomer， user-friendly demonstration， <br />    lumbar disc herniation， demonstrated when the body bent and curled Time， people's intervertebral discs what kind of change. <br />    Size: 12 * 12 * 10 cm<br />    Weight: 0.4KG <br />    Material: PVC<br />    Obscene Picture: No <br /><br />Package Includes: <br />    1PC