Spinal column models are flexible & designed for hands-on demonstrations. Features male pelvis & occipital plate, L3-L4 disc prolapsed, spinal nerve exits, & cervical vertebral artery. Ideal for active & hands-on use. • Flexible classic spine measures 29” x 10” x 10” • Extremely durable for active hands-on use • Spinal cord stand measures 0.8” x 9.9” x 19.7” • Stand is made of nickel-plated steel