Thank you for viewing! This is a sponge-type dental floss. Wax, non-flavored, 40m, 10 pieces Package has been updated. 6 pieces: ¥1150 10 pieces: ¥1530 2 sets (20 pieces): ¥3060 → ¥2800 For those who don't like mint. This sponge type expands when it gets wet, so it thoroughly removes dirt between teeth. It can also be combined with sponge floss, mint wax, and fluoride. Please leave a comment if interested! #spongefloss #dentalfloss