Feature:1. [Practical] Practical, super elastic and rebound, providing excellent elongation and easy to use2. [ High Elasticity ] High elasticity and non rigidity make the chain easier to place and disassemble3. [Good Flexibility] Maintain good flexibility and provide sufficient strength even after long term use4. [Comfortable Wear] Lasting and mild, make patients feel comfortable and effectively improve the effect of dental treatment5. [Place of Use] Can be used for orthodontics, important accessory for braces, generate elastic force to act on teethSpecification:Item Type: Orthodontic ChainMaterial: Rubber Package List:1 x Orthodontic Chain