Thank you for viewing! It is recommended to use interdental brushes after brushing your teeth (o^^o) Shipped via Mercari Interdental brush SSS size (Passage diameter 0.7mm~) Brand new, unused 50 pieces, very economical in a bag Comes with a sturdy cap for hygiene Please refrain from price reductions. Combined shipping discount available (*^^*) I also sell dental floss, children's floss, children's toothbrushes, children's toothpaste, adult toothbrushes, etc. They can be shipped together, so please comment if you'd like to combine. ☺︎ Interdental brush 3S interdental brush Interdental brush sss Dental floss picks