Jordan clinic brush between interdental brushes have a unique bristle cut - WaveCut. The tapered shape is designed to easily enter the interdental space and to clean around the teeth corners. On retracting the brush the bristles sweep the back corners of the teeth and gum line. The brushes are sold in a zip lock bag that is convenient to store. There are 10 brushes in each bag and it also includes a hygienic cap which is convenient to use when transporting the brush.