Features 1、Made of synthetic materials that are durable and unbreakable. 2、Stable metal support frame with 5 rollers. 3、Close to the real weight of about 200 pieces of bones. 4、The limbs can be removed quickly and easily. 5、Natural bone size with 3 parts of assembled skull Specification Descriptions: This spine model shows all the main features of each bone in great detail, including the spine, nerve roots, vertebral arteries, divided discs, transverse processes of the spine, and vertebral sections. It is an great teaching models for chiropractic, orthopedic, and other medical specialties. Features: 1. Made of synthetic materials that are durable and unbreakable. 2. Stable metal support frame with 5 rollers. 3. Close to the real weight of about 200 pieces of bones. 4. The limbs can be removed quickly and easily. 5. Natural bone size with 3 parts of assembled skull Specifications: Material: PVC Color: White Overall Length: 38cm/14.96in Weight: Approx. 585g Package Includes: 1 x Spine Model 1 x Model Base Note: 1. Due to the difference between the monitors and light effect, the picture may not reflect the actual color of the item. 2. Please allow 1‑3cm error due to the manual measurement. Thanks for your understanding. 3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 4. Orange or yellow color of the silicone on the model will be sent randomly, and make sure you will not mind before ordering. Package List