1. SizeHalf life size of 85cm/33.5' with Spinal Nerves, Muscle Insertion and Origin Points on the Left Side, Includes Joint Ligaments of Shoulder, Elbow, Wrist, Hip, Knee, and Ankle on the Right Side, handing style. 2. Great Teaching ToolBecause of its accuracy and realistic human skeletal structure, it's suitable for better study of the musculoskeletal structure, ribs, bones, and joints of the whole human skeletal system, as well as the lifelike articulation in the shoulder, lower jaw, elbow, wrist, knee, and foot joint. It also enables chiropractors, doctors, acupuncturists, and other medical professionals to show how the body works and correct lifting and bending practices. 3. Unparalleled AccuracyOur human skeleton model is meticulously crafted with high precision and each bone is reproduced with exceptional detail, capturing the exact proportions of the human body and ensuring an accurate representation. 4. High quality MaterialHuman skeletal muscle model is made of high quality washable Polyvinyl chloride (PVC) material, tasteless, durable, corrosion resistant and environmentally friendly. Anatomically correct in excellent quality, portable and easy to demonstrate on desk for skeleton anatomy study. Perfect size for doctor's office and anatomy classroom.