DESC: Features:Can be removed from standThe ligaments are made of a sturdy elastic materialSize: 16" x 8" x 9"Product Information:The right elbow joint model features an exclusive detachable ligament system allows years of use and individual viewing of each bone, ligament and cartilage. This model demonstrates all natural movements of the upper arm and forearm such as extension and flexion of the upper arm and forearm and rotation movement of the radius.Shipping Weight:2lb