Features:The model consists of 1.5 times the fourth and fifth lumbar and lumbar disc spinal nerves.The disc uses a soft material to promote the display of lumbar disc herniation.It shows what happens to the waist when the body bends.The model is widely used and has a good auxiliary teaching and demonstration role.1. Show the damage mechanism of lumbar disc herniation.2. While showing curved vertebrae, disc herniation3. Display changes in body bending and distortion4. This model can be used to illustrate the importance of people's spine and spine movements.5. The model is a model for aiding teaching of good educational tools.6. The model consists of two tissues with flexible discs, spinal cord and nerve vertebrae.Specification:Material: PVCScaling Ratio: 1:1.5includes:1x Spine Model Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!