【Practical and Useful】Ultra stretch and rebound, 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. 【Multiple color options】High quality without fading,Maintains good flexibility and provides sufficient strength even after prolonged use, 【Latex free and hypoallergenic】It ensure the safety and healthy for patient during orthodontic treatment. 【Power Lasting and gentle】It make patients feel comfortable and effectively improve the effect of orthodontic treatment. Dental Orthodontic Braces Rubber Chains,Orthodontic Rubber Power Chains for Braces. A necessary and useful tools for orthodontic treatment,a good helper for shrinking the teeth gap during orthodontic treatment. Color:As Main Images Show Size:Long(4.0mm),Open(3.5mm),Closed(2.8mm) is shown as the distance between the two rubber bands.Please be sure to read the specifications and purchase the size you need. Total length:15 FT per roll Packing include:Orthodontic Rubber Chain 82 roll.