We will send you the new package. Dental floss exclusively for dentists Mint Black 50m The black floss makes it easy to see how much is stuck between your teeth, making it very popular! The floss is also longer, at 50m. Can be combined with whitening floss. The spaces between teeth are prone to cavities due to missed brushing, and can also cause bad breath, so why not incorporate this into your daily care? This item will be shipped via Nekopos with waterproof packaging.