DescriptionGood stretch force, superior elongation, easy to use. High-quality material, durable, safe and healthy, low allergy, more assured use. It is well fixed, easy to wear and remove, greatly helping to correct the teeth. It provides the consistent closing force to help teeth move and can be easily used even at home.Features-Color: Transparent -Material: rubber -Size: 6.50X6.50X1.00cm/2.55X2.55X0.39in - This orthodontic chain is made of good quality rubber materiel, avoid deformation, durable for use. - Please clean with a toothbrush before and after use, use cold or warm water, not hot water! - Elastic band, professional elastomeric and orthodontic chain band for dental care. - Orthodontics is a long process, please be patient and wait for the results. - It avoids the trouble and inconvenience caused by teeth wire treatment, bring a more cozy and relaxing experience.