Features Made of durable and unbreakable synthetic materials. Near the actual weight of about 200 pieces of bone. Stable metal support frame with 5 rollers. Natural bone size with 3 skull parts assembled The limbs can be removed quickly and easily. Description: This spine model shows all the main characteristics of each bone in great detail, including the spine, nerve roots, vertebral arteries, split discs, transverse processes of the spine and vertebral sections. It is an excellent teaching model for chiropractic, orthopedics and other specialties. Features: Material: PVC. Colour: white. Total length: 38 cm/14.96 inches. Weight: approx. 585 g. Package includes: 1 x spine model. 1 x base model. Note: 1. Due to the difference between different monitors and lighting effects, the picture may not reflect the actual colour of the item. 2. Please allow for a 1-3 cm margin of error due to manual measurement. Thank you for your understanding. 3. Please note that the new type and old type of this product will be sent at random, and make sure you do not mind before ordering. 4. The orange or yellow color of the silicone on the model will be sent randomly, and make sure you do not mind before ordering. Package List