Ci Dental Floss for Dental Use - Set of 4 * Non-wax, Non-flavor: 1 piece, 50.3m * Waxed, Mint: 1 piece, 40m * Waxed, Mint, Fluoride-treated: 1 piece, 40m * Waxed, Non-flavor: 1 piece, 40m We have various types, so why not give them a try? Brushing alone may not be enough, so it helps prevent cavities and is a great value because you get a lot of floss. I also have other floss products for sale, so please take a look. It will be reinforced with cardboard, put in an envelope, and shipped via Mercari. Instant purchase is OK.