This product is used for orthodontic treatment and can be used for tooth separation, traction, and imported rubber bands. Different types of rubber bands are represented with different animal patterns to facilitate communication between doctors and patientsOrthodontic Elastic are injection molded from optimum material,they tend to maintain their elasticity and color over time,do not require to be frequently changed.Available be customized accordingto customers specific requirements.There are three sizes:Small,Medium and Large,you can choose the appropriate size according to your needs.