A flossing device including a first elongated member and a second elongated member each including a channel disposed at a top end, wherein each channel includes a first cross-sectional spacing and a second cross-sectional spacing, wherein the second cross-sectional spacing is less than the first cross-sectional spacing, and the second cross-sectional spacing is closer to a top edge of the first elongated member than the first cross-sectional spacing. The flossing device includes a floss string having a first end including an enlarged portion disposed within the channel of the elongated members, and sized to be substantially larger than the second cross-sectional spacing. The floss string may include a second end coupled to a top end of the second elongated member. The flossing device includes a seal and an aperture disposed on a surface of the elongated members and are disposed adjacent the channel.