Floss with three functions: dental floss, interdental brush, and interproximal brush, 100 pieces. For those with: * Braces and wires * Bridges * Wide gaps, etc. - Brand: ProxySoft - Product Name: 3in1 Floss - Features: 3 functions: dental floss, interdental brush, and interproximal brush - Quantity: 100 pieces - Technology: FlexYarn technology I bought this after it was recommended by my dentist, but I'm selling it because I rarely use it, having only used one or two. Please note that the packaging is slightly torn (see image). I was told by the dentist to transfer the floss to a ziplock bag for easier access. I will ship via Yu-packet Post Mini, please understand. Price reduced: 700 yen → 600 yen