1.5 Magnification--This is composed of the fourth and fifth lumbar vertebrae with 1.5 magnification and the intervertebral disc spinal . The intervertebral disc is made of soft elastomer, which is convenient for users to demonstrate. Clear Distribution--The of lumbar disc herniation shows what happens to the distribution of human intervertebral discs when the human body bends and curls. Widely --This is widely used in orthopaedics, surgery, clinical teaching, occupational disease prevention, ergonomics, education and so on. It has good auxiliary teaching and demonstration function. Light Weight--The product is light in weight and convenient for teaching and demonstration. Almost Real State--This is very to the real state of human body structure. colour: as shown Material: PVC Package Contents: 1 x Human Lumbar Disc Herniation Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.