Average-size dog pelvis that features both normal and osteoarthritic bone, body of ilium, greater trochanter, head in acetabulum, herniated disk, neck of femur, nerve, sacrum, and third trochanter. 7 in. x 5-1/2 in. x 11 in. Comes on a 5 in. x 6 in. x 1 in. gray, marbleized base with a 6-1/4 in. x 8-1/4 in. educational card.