PVC Life Size Colored Function Human Skull Cervical Vertebrae with Nerves Anatomical Didactic Models Natural High QCCrafted from heavy duty cast PVC, this model represents significantly higher value than cheaper alternatives, offering exceptional durability that resists warping and fading over time. Product Item: Colored Function Human Skull Cervical Vertebrae with Nerves Anatomical Models Size: 21x16x33cm Material: PVC Color: Picture Shows Feature: 1. This model provides a perfect demonstration of the anatomy and mechanics of the skull on cervical vertebrae with