Features: Made of high-quality plastic materials, it is odorless, durable, corrosion resistant, and environmentally friendly. Easy to remove and install. It almost truly shows the muscle structure of the human body in motion. Natural coloring for realistic performance. This scientific mannequin provides excellent detail and shows the trues structure of the human body. Make learning anatomy easy. This muscle movement system model is the perfect gift for anyone in field of education, sports, and healthcare! Great learning aids for anatomy classrooms, doctors' offices, schools, and universities. This model shows the muscle state of the human body during muscle movement. Suitable for classroom and clinical environments. Specifications: Material: Plastic Size: Approx. 10.6x6.4x18.4cm/4.17x2.52x7.24inch Package Includes: 1x Human Muscles Anatomy Model note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.