The SOMSO female pelvis anatomy model is a natural size pelvis made from SOMSO-Plast. SOMSOs one-piece pelvis model comes on a removable transparent base. This pelvis model shows the ligaments and muscular structures located inside the female pelvis. The models dimensions are 12 X 11 X 10 and it weighs approximately 4 pounds. SOMSO Models carry a full 5-year warranty for durability and workmanship.