Features: The Dental Flosser wire can be replaced , the case can be Reused . Material: black is bamboo charcoal,Nude is corn Size : Case :2.5x5.5cm Length of Dental Flosser :30M Color: White, Black Package include: 1 x Dental Floss The floss is safe and non-polluting in the bottle and can be used with confidence. The floss is scented with mint, food-grade material, environmentally safe, easy to use Floss has 30m, high sex ratio, Long use time Remove plaque from between your teeth and along the gum line where a toothbrush cannot reach. Reduce gum disease and tooth decay. Micro wax dental flosser can clean the teeth better than the ones without Micro wax .