GPI Anatomicals 4 Stage Vertebrae Model is a set of four full-size, two-piece vertebrae models, one each of the following conditions: normal, bulging herniated disc, bone and disc degeneration and advanced osteoporosis with marked bone compression and bone spurs. 3-1/2" x 2-3/4" x 3".
WARNING: This product can expose you to chemicals including DI(2-ETHYLHEXYL) PHTHALATE (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm.