ANATOMICAL PELVIS BONE MODEL: life-size pelvic female anatomy model that shows anatomically accurate features of the human female pelvis including the left and right innominates (hip bones) pelvic bones (ischium, ilium and pubis), sacrum, coccyx and pubic symphysis, acetabulum, and obturator foramen; Includes "cartilage" at the symphysis pubis for accurate and realistic detail DEMONSTRATE LESSONS: Visualize the female pelvis in 3 dimensions; Clinicians and physical therapists specializing in the treatment of female health issues use to demonstrate ; Allows for patient education and is an excellent tool for comparing male and female skeletal anatomy KNOWLEDGE IS POWER: Use in the classroom to show birthing passage through the pelvis (approximate 4-inch/10.2cm passage diameter; stationary, not flexible); Students use to study at home instead of making late-night trips to library EXAMINE CLOSELY: Model can be closely examined from all sides; overall dimensions make this human bone model life-size; Model comes preassembled and we do not recommend dissembling; Screws can be loosened or tightened to make the pelvis more or less flexible (screw removal not recommended) BUILT TO LAST: Model bones constructed from PVC; Symphysis pubis cartilage constructed from rubber for realistic emphasis and demonstration; Stationary - Joints are held fixed with screws Colour:As shown Material:pvc Size:24.5 x 17 x 17cm Package Contents: 1 * Pelvis Model Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.