Features: brand new and high quality FOR LUMBAR SPINE DISEASE STUDY. This lumbar spine model shows the basic anatomical-detail of fourth lumbar vertebra, fifth lumbar vertebra, pathological lumbar disc, normal disc, and nerve. Easy to observe. PORTABLE SIZE. This anatomical-lumbar vertebra model size: 3.66 x 2.95 x 3.18 Inch. Perfect for the lumbar vertebra diseases research and clinical settings. A professional anatomy teaching presentation model for medical lecture report, doctor office. REALISTIC TEXTURE. Designed to replicate and show the real anatomical-structure of pathological lumbar disc. Different colors are for distinguish different position. for Ideal human spine model that is used to demonstrate the pathological-changes of lumbar spine and lumbar disc protrusion. TOP QUALITY, REUSABLE. Made of high-quality eco-friendly PVC material, good durability, corrosion resistant, lightweight, and has high strength, not easy to fade and deform. Non-smelly, non toxic, reusable. WIDE APPLICATION. Widely used for hospital, doctor-office, anatomy classroom, advanced student and clinicians, laboratories, school medical presentation, and scientific reaserch institutes. Specifications: Material: PVC Size: Approx. 9.3x7.5x8.1cm/3.66x2.95x3.18in Color: As Picture Shown Weight: Approx. 150g Package Includes: 1 Piece Lumbar Spine Model note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!