Dental Floss slide easily between even tightly spaced teeth. Cleans between teeth and under gum margins, where bacterial plaque builds up. Plaque is the leading cause of tooth decay and periodontal disease. For Fresher Breath: Decaying food particles lodged between teeth and under the gum line is the chief cause of most mouth odors. Floss cleans these areas effectively. We can provide you the dental floss with waxed and mint waxed. The length can be 12 ~200 yards. OEM orders and customer&＃039;s designs are welcome.