DescriptionThis is an orthodontic rubber chain, which is made of premium material, durable and practical for use. Practical and useful, ultra stretch, giving superior elongation for easy apply on braces. High flexibility and resilience without stiffness, making the chain easier to place and remove while providing a longer lasting tie.Features-Material: Rubber. -Good elasticity and not easy to break, they have a long service life. -Hypoallergenic, ensuring the safety and health of patients during orthodontic treatment. -It is widely used in clinical orthodontics, which can be used for traction, correction of torsion, sliding clearance, closing scattered clearance, and so on. -Close teeth gaps permanently without the cost of braces and other high dental procedures. -Can effectively help orthodontics, they are must-have for your life. Professional and practical.