40 Pieces Dental Orthodontic Colorful Ligature Ties Rubber Band Elastic 1. High strength and elasticity. 2. 1 Ligature Stick = 26 Ligature Rings 3. Made of high upgrade medical use material. 4. Excellent stretch and rebound and Tear resistant Durable 5. Rounded corners and a flat top provides a strong ligature that holds the wire tighter and longer 6. Low profile design fits under bracket tie wings and not irritate the gingival