The most economical solution for blood vessel training practice. Get the best possible learning experience with the most realistic feel next to actual human or animal flesh. Great for med students, nursing, veterinarians, more Wonderful gift idea for a friend, colleague or staff member. Features -Color: As Shown. - Material: Silicone. - Size: About8.00X0.50X0.50cm/3.14X0.20X0.20in. -It can provide you with a better training experience and exercise your skills and mindset. - This simulated blood vessel feels similar to that of a real person. - Durable and reusable, great for medical, nursing, veterinary student practice. - A convenient and practical vascular model to help you carry out diversified learning and professional training. - This product is exquisite in craftsmanship, durable and widely loved by most people.