High-quality anatomical model: The human artery model is made of high-grade PVC material and is by professional personnel to that its quality is strong and , and the anatomical structure it expresses is loud and realistic. Four-stage arterial display: The model contains four of arterial surfaces, including normal arteries, fatty streaks, fibrous plaques and blocked arteries. Changes in these reflect the process of reduced blood flow triggered by arterial thrombosis and clearly indicate the formation of thrombi and blood clots. Realistic reproduction of vision: Exquisite visual production technology makes the artery model vibrate and have a real touch, allowing patients to better understand their condition and treatment plan, and improving the effectiveness of patient education. Powerful educational function: This model is welcome to be used in doctor's offices, schools as an educational tool to assist doctors in providing and help patients or students better understand disease pathology and treatment options. Students from elementary school to high school and even professionals can use this educational tool. Material: pvc colour: As Shown Package Contents: 1 x Blood Vessel Model Only the above package content, other products are not included. Note: Light reflection 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.